Adiantum aleuticum

Western Maiden Hair Fern is native from the Aleutian Islands in Alaska south mainly through shady wet spots in the west south as far as Chiahuahua, Mexico. Its even locally native from Maryland to New Foundland. Its a long lived and vigorous fully deciduous perennial for perpetually wet sites. To 2′ tall and spreading almost indefinitely where conditions suite it. Heavy clay soil that retains consistent moisture in part shade to shade. Often found lining water falls in Oregon or in deep cool moist gullies. The multi fingered leaves are a soft green and are held erect on jet black stems. Very good sited at the bottom of a downspout. Very easy to grow given consistent moisture.  Oregon native plant.

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Adiantum venustum

Himalayan Maidenhair fern is one of our favorite groundcovers for shade and rich, moist soil. The divided fronds in the shape of an arrow are always soft and fresh. In spring this deciduous variety emerges with tones of amber and soft pink before taking on a mature soft green hue. These delicate leaflets are held on thin, wiry black stems to 10″ tall and it spreads prodigiously to form vast colonies. It doesn’t smother neighboring plants however, instead it seems to just flow around such woodland neighbors as Epimedium, Hellebores, even woodland bulbs like Erythronium. Regular summer water. Avoid hard, compacted dry soils. High deer resistance.

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Adiantum x tracyi

Cool hybrid between two California native maidenhair ferns that we love because its EVERGREEN! Finely divided soft green leaflets surprise as they sail through the toughest winter with little or no damage. A clumping variety that slowly increases over time in rich, moisture-retentive soil in part shade to shade. Adores moisture but can go much drier than most maidenhairs. To 10″ tall and as wide – then increasing. Lovely thing that works in woodlands to containers. Excellent naturally-occurring hybrid that deserves a place in our gardens. Moderate deer resistance.

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Agapanthus ‘White Profusion’

Born and bred in the PNW this excellent compact and extremely floriferous white flowered Lily-of-the-Nile is a first rate selection. To 20″ tall and forming an expanding but compact clump. Flowers appear for 4-6 weeks in mid-summer. Clear, pristine white with abundant flower spikes. Full sun to very light shade in rich, well drained soil with regular summer water. Completely winter deciduous. Handsome pale green matte foliage. Long lived plant.

 

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Agapanthus x ‘Stripes’

An excellent cold hardy Lily-of-the-Nile that was bred in the PNW. To 3′ tall in bloom from a low basal presence of strappy green leaves. Each flower in the truss is light blue with darker blue stripes. They are pretty up close- from a distance it reads as glowing baby blue. And you can use this luminosity to your advantage. Easy to grow perennial for full sun to very light shade in rich, well drained soil with regular summer water. This cultivar performs even without regular water but the blooms last longer and are larger with it. Completely deciduous in winter.

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Agastache ‘Lilac Moon’

Cool bicolored Hummingbird Mint that has masses of flowers that appear from orange buds which quickly change to luminous light lavender when open. To 30″ tall and forming a clump this very, very, long blooming perennial is delightful for hummingbirds, bees and butterflies. A soft pastel coloration that pairs wonderfully with light yellow flowers and even blue. Great in seasonal containers. Blooms non-stop from June to October. Do not remove flower spikes as new flowers will appear continuously from the same spike. Rich, WELL DRAINED soil with light, consistent summer water. Its best to water Agastaches consistently during their first year in the ground- to establish a large root system. Ideal on slopes- to assist in drainage in winter. Double dig soil to incorporate lots of oxygen in the soil.  One of our favorite introductions. An amazing combination of flower colors on a single plant. Do not cut back until new growth has flushed out in spring and all threat of a hard freeze has passed.

Xera Plants Introduction

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Agastache ‘Electric Punch’

One of our all-time best introductions ‘Electric Punch’ is a floral powerhouse of a hummingbird mint with exceptional adaptation to our cold and wet winters. Rising to 34″ tall in bloom, a clump can become enormous in rich, WELL DRAINED soil with light, consistent summer water. Also, accepts no water but with interruptions in bloom. Incorporate plenty of oxygen into the soil and slopes are ideal. Do not remove flower spikes during the season- new orange aging to pink flowers appear from the same inflorescence. Best to wait until spring to cut back the previous seasons defunct stems. Moderate deer resistance.

Xera Plants Introduction.

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Agastache ‘Mandarin Dream’

This is our selection of an improved form of the species Agastache auranticus. It has deeper orange flowers on taller stems and exhibits excellent winter/cold/wet hardiness. To 30″ tall, the vivid blooms erupt from June to October. Tightly clump forming perennial whose tall wand-like stems require more horizontal room as well. Hummingbird Mint excels in very well-drained soils with consistent, light summer water. Full sun- you can fudge in light shade and still get results. Remove the previous seasons spent stems in March.

Xera Plants Introduction. 

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Agastache ‘Rainbow Sorbet’

One of our larger growing introductions this is a flowering machine with large individual flowers that open pale orange and senesce to pale pink. Overall this is a pastel flower palette. To 36″ tall and as wide in full sun and well drained soil with light, consistent summer water. Agastaches are excellent as container subjects- they will accept the most cramped roots and still perform. Wait until March to remove the previous years spent stems. Give this guy room. Hummingbird nirvana. Good winter hardiness.

Xera Plants Introduction.

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Agastache pallida ssp. neomexicana

Cute flowering hyssop that makes a clump of strongly vertical stems clad at the tips with soft mauve/purple flowers. A boon to pollinators as well as hummingbirds. Blooms June to October continuously from the same spikes. To 18″ tall and barely half as wide. Agastaches like light soil. Double dig the soil well to incorporate oxygen and apply a handful of all organic fertilizer at planting. This will establish the plant much faster. Excellent performance on slopes where it achieves the drainage that it likes. Middle of the border or massed in a meadow- this easy to grow perennial performs for a long time. Do not cut back until after Valentine’s Day. Consistent water for the first summer then light water in subsequent years. Excellent performance in mixed container plantings. Moderate deer resistance. Foliage is sweetly pungent.

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Agave bracteosa

Far and away the easiest Agave to cultivate in our climate and the handsome contorted sage green leaves are free of a deadly spike at the tip. Don’t be fooled, though. The leaves are lined in fine serrations that can cause a cut if you rub your person against them. To 3′ tall and as wide for very well-drained soils in full sun to very light shade. Amend the soil with pumice to sharpen drainage if needed. Ideally adapted to slopes. Good dimensions as a large focal point in a rock garden or clustered into clumps in the gravel bed. Accepts the highest reflected heat. Light summer water speeds growth.

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Alstroemeria ‘The Third Harmonic’

A good Alstro is hard to find. The dwarf varieties are ever plagued by snails/slugs, Many of the most exquisite varieties (patented) are poor garden performers, lacking vigor or something. Enter this most fave cultivar. First of all its orange and many will confuse it with the more diminutively flowering A. aurantiacus which can become an ineradicable weed. THIS IS NOT THAT. Its a polite clumper with enough vigor to send up fully 30″ flowering stems repeatedly for up to 6 weeks in summer. Speaking of which the individual flower will last up to two weeks in a vase. Do not cut them (which injures the plant – it bleeds out) rather gently rock the base of the stem back and forth to detach. This will help and not hurt it. Regular summer irrigation in rich, moisture retentive soil. Winter deciduous. To 2′ wide..

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Amsonia hubrichtii

Threadleaf Bluestar is a fantastic native North American perennial with many seasons of interest. To 4′ tall this strongly clump-forming perennial has thread-like green leaves that line the sturdy, very vertical stems. Upon rising in late spring they host clusters of star shaped, fragrant (yep) blue flowers. Very pretty. The green, fine-textured foliage holds space as a blowsy presence in borders, gravel gardens, hellstrips. In autumn the entire plant turns shocking yellow and stays that way for weeks. Fall color at ground level and it rocks. Light but consistent summer water to aid in establishment. Very drought tolerant then. Full sun in any soil type but for permanently boggy. Good deer resistance. They will try it once but not again- for what it’s worth. Completely deciduous in winter.  Emerges mid-spring. Very long lived, no-fuss perennial. Mix with ornamental grasses, cacti, just about anything.

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Asclepias fascicularis

Native Oregonian butterfly weed that has a great wildflower demeanor and is just as attractive to pollinators as well as Lepidoptera (butterflies). Full sun and well drained soil, though it accepts clay soil on slopes that are strictly unwatered in summer. To 22″ tall and making a clump in time. Mix with fine textured ornamental grasses, tall spiky perennials. Light summer water. Flower color is most often creamy white but ranges to light pink. Often seen on road cuts and in ditches in the Willamette Valley. Blends in with grasses and other plants but pollinators find it no matter what. Nice cutflower. Important food source for Fendler’s Blue Butterfly which is very endangered and locally indigenous. Winter deciduous. Oregon native plant.

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Caesalpinia gilliesii

Bird of Paradise shrub is an incredibly showy flowering plant that is surprisingly adaptable to the Willamette Valley. Native to Argentina/ Uruguay the exotic large yellow flowers in whorls each with 3″ strings of blood red stamens protruding. Each flower lasts but a day but a truss carries many individual flowers. Fine divided foliage is light gray green and a great foil for the exotic flowers. Full hot, all day sun in a hot site. Ideally, it should be located against a south facing wall- this heat lover is slow to break dormancy in spring and doesn’t normally begin flowering until mid-summer and continuing until cool weather. To 8′ x 8′ drought adapted but water speeds growth. Deciduous. Spectacular.

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Callistemon ‘Woodlander’s Hardy Red’

This has become the standard cold hardy red flowering bottlebrush in our climate. 4″ brushes of raspberry red occur en mass in May/June and sporadically there after on established plants. Low, spreading arching habit. Give it horizontal space to grow. Virtually any soil type and incredibly drought adapted when established. Accepts regular irrigation as well. Must have full, all day sun to perform. Avoid exposure to subfreezing east winds, err on the side of protection. Cold hardy to a little below 10ºF but has vigorously recovered from subzero lows returning from the base. If damaged by cold cut back in spring- then supply regular irrigation and recovery is rapid. Moderate deer resistance. To 3′ x 5′ wide in 6 years.

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Carex siderostricha ‘Variegata’

Several things about this sedge set it apart in this genus. Broad, wide leaves are soft green on the interior but lined boldly in cream. And its completely winter deciduous. Forms a spreading clump of great bolder texture that arches all in the same direction. Very nice. To 10″ tall and several feet across eventually. Rich, moisture retentive soil in part shade with consistent summer moisture. Excellent combined with the large leaves of Hosta. Line paths or use as a graceful punctuation in a woodland. Avoid really hot sunny dry locations- it will live but it won’t look so great. Completely deciduous in winter. Turns a tawny yellow in fall before leaves disappear.

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Chitalpa x tashkentensis ‘White Cloud’

A very pretty  intergeneric hybrid tree between Catalpa and Chilopsis (Desert Willow). We really like this small tree that forms an umbrella shaped crown in time. To 20′ tall and continuously producing opulent large white flower clusters- the interior of the flower is marked with purple veining- much like an exotic orchid. The flowers appear on new growth and are continuous from June to September. The long thin tapered light green leaves have a nice texture. They do not color up appreciably in fall- making due with light yellow to off green before abandoning the tree. Excellent garden tree. We prefer the white flowered form as the often planted pink variety …..well, lets just say Portland has a LOT of pink flowering trees. Fast growing in youth-especially if well watered in summer. Otherwise, supremely tolerant of drought as well as rough, hot urban conditions. Casts moderate shade in time. Breaks dormancy late- usually late April. Be patient.

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Choisya x ‘Aztec Pearl’

Interesting hybrid between two Mexican Oranges and wow, you get an incredible shrub that adores this climate. Rounded evergreen shrub to 5′ x 5′ after 6 years. In spring (and again in autumn) the whole bush becomes a cloud of fragrant white blossoms. They show up well with the finely divided leaves. Easy to grow shrub that is very forgiving. Drought tolerant when established and it has been hardy to near 0ºF. It takes very well to pruning which will increase both the shrubs density but the amount of flowers as well. The palmate leaves look like thin fingers or even bamboo  especially as it becomes dense and layered. Moderate deer resistance. Perfectly adapted to the climate of Western Oregon. Full sun to part shade. Any reasonably well drained soil.

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Clarkia amoena ‘Dwarf White’

Excellent little selection of our locally native wildflower ‘Farewell to Spring’. To just 10″ tall this plant(s) become a solid dome of white flowers from May-August. Cute little cut flower. Full sun in rich, to average well drained soil with just light competition from other plants. Re-seeds reliably in open disturbed sites. A great native derivative for hell strips and even containers. Regular summer water – or it will shut down go dormant and think its time to set seed and then make its melon. Rough areas, cut flower. Oregon native plant.

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Collinsia grandiflora

Native annuals often get over looked in our gardens. They occupied vast stretches of the Willamette Valley and civilization has caused those displays to suffer. In our gardens they are precious reminders that we should include every category of native plant. Giant Blue Eyed Mary is one of our most delicate looking and stunning in floral detail,  It makes a hazy cloud of beautiful blue and white small snapdragon flowers from late April to Mid June. A true annual that dies once the floral display is done. But leave the skeletons of the plant for several weeks longer to form and shed seeds for next years display. This 20″ tall grassy plant occupies open sunny sites as well as the margins of forests. In our gardens it appreciates open slightly disturbed soil. Seedlings germinate in autumn and over winter as small plants. Excellent plant to succeed mid and late spring bulbs. Water lightly after planting and  to establish then none required. Native to the Portland city limits as well. Fantastic displays of this plant can be seen at Camassia in West Linn all through late spring.  Oregon native plant.

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Cuphea cyanea ‘Strybing Sunset’

We originally grew this wonderful vivid free blooming bat flower as an annual. But after years of growing it in the ground we’ve found that its remarkably root hardy. To 20″ tall forming a semi-woody shrublet it produces sprays of small but vivid flowers from May to frost. Full sun and rich, WELL DRAINED soil in the ground and patience- it takes a while to come back in spring- usually not until truly hot days appear in  May. Once up- with regular supplemental water it zooms and blooms and resumes its previous stature quickly. Good drainage in a hot position seems to be the key as a perennial. Mine has happily lived in the ground in my garden in North Portland for 7 years- returning from the coldest winters. It will freeze to the ground below about 28ºF- but it always returns. Great seasonal plant in containers and it will draw hummingbirds from 5 counties around. Nice plant. Blooms continuously without intervention. My kind of plant.

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Cypella herbertii

Adorable little bulb that forms grassy colonies. Beginning in early summer and continuing to fall 10″ stems support amber orange intricate three petalled flowers. Each lasts just one day but new flowers appear seemingly from nowhere from the stems so do not remove. Grassy medium green corrugated leaves accompany the flowers. Open sites with little competition from other plants. Sharp drainage in average to rich soil with regular summer irrigation. Full sun to light shade. Surprisingly cold hardy. Rock gardens, containers.

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Deschampsia caespitosa

Tufted Fairy Grass is an Oregon native that forms bright green fine clumps but is in its glory in bloom when tall vertical stems display hazy tan flowers at the tips. Easy to grow grass that improves under cultivation. Native to semi-shady to sunny aspects in rich soil that drains but also retains moisture. Adaptable to wet sites that dry in summer. To 10″ x 1′ as a clump of foliage but rises to 3′ tall in bloom. Very wild looking grass that can be massed for a hazy meadow effect, or placed in straight lines a modern aesthetic that combines a wild plant with spaced symmetry. Excellent among shrubs and with other wild looking meadow perennials. Winter deciduous. Cut back dead growth in spring. Relatively long lived. Native in the Portland city limits. Graceful.  Oregon native plant.

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Disporum sessile ‘Variegatum’

Shade plays by its own rules and to be honest flowers are often pretty modest. Therefore we rely on foliage to brighten dark corners and add texture and contrast. This elegant perennial is 18″ tall and arching stems have large opposite leaves delicately feathered in white. In spring small white bells droop gracefully along the stem. Deep, rich, hummus rich woodland soils that retain moisture. Regular summer water. Winter deciduous.

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Edgeworthia chrysantha

A sure sign that spring is on the way when this large interesting shrub’s buds begin to swell in January. First white, then silver and finally open sesame fragrant golden yellow. Its a fascinating procession. Large deciduous shrub with sweetly fragrant late winter flowers. Best in light shade with a bit of overhead protection so a late freeze doesn’t wreck the show. Truthfully, that rarely happens. Light shade and well drained, somewhat enriched soil. Overly rich soil can lead to a host of problems among which are fungal root diseases and rank huge growth which shortens the shrubs lifespan and leaves it vulnerable to tipping. Average soil- steady as she goes and regular summer water. Fascinating Daphne relative native to China thats been cultivated for so long its actually naturalized in Japan and is considered weedy. Ah, well. We still love it. Forms a framework of several trunks and then suckers like crazy. Do not prune the top half of this shrub- not that there is any legit reason too. It HATES being pruned. Remove the suckers and plant them around your yard. Have a whole freakin forest of this plant once used to manufacture paper. Size depends on the fertility of the soil.

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Ellisiophyllum pinnatum

Taiwan Starflower is an adorable and useful ground cover for rich, moist soil in part shade to full sun. Intricate mid-green spreading foliage is deciduous in the coldest winters. Continuously from spring to fall star shaped white flowers appear happily over the mounding plant. The flowers are reminiscent of the annual Bacopa. Spreads to form happy patches under established shrubs, in the front of borders. A simple and useful summer container plant as well. Avoid hard compacted soils and heavy clay. Mulch with compost annually to refreshen  and bring nutrients. Regular summer water.

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Epimedium grandiflorum var. higoense ‘Bandit’

We love this little multidimensional barrenwort that pairs fresh green leaves outlined in black in spring while simultaneously producing clouds of star shaped crystal white flowers. A compact smaller growing plant to 10′ tall and with good care spreading to 18″ wide. The remarkable new growth morphs to solid fresh green in summer. Blooms March to May in part to full shade (really doesn’t like sun so don’t fudge it). Regular summer water. Rich, moisture retentive hummus rich soil. Add an annual application of compost and even a  handful of organic fertilizer in spring to increase vigor- give it a good life. Completely winter deciduous. Long lived perennial.

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Epimedium wushanense ‘Spiny Leaved Form’

Beautiful barrenwort selection of an already beautiful species. Large spiny leaves with a glossy sheen begin in shades of vivid salmon red with darker mottling on new growth changing slowly to medium green by mid summer. A really good evergreen perennial that always looks its best. Evergreen leaves over winter fairly well, and if they get beaten up simply chop the leaves to the ground in February. In March, accompanying the stellar new growth tall spikes of many congest off white and pale yellow flowers seem to pour out between the new leaves.  All in all its a great color coordinated perennial, dynamic and always changing. Clumps expand markedly in rich, moisture retentive woodland soil. Avoid blasting bright sun. To 2′ x 2′ shortly. Moderate deer resistance. Adapts quickly to dry shade conditions.

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Erodium chrysanthum

Cranesbills come in all colors but this is one of the most garden worthy, in fact its one of the best perennials for our climate. A GREAT PLANT PICK. Tightly clumping perennial with frilly silver intricate leaves. Beginning in spring and continuously to frost a constant supply of soft yellow cupped flowers on 5″ stems. Pale yellow with silver. YUM. Full sun and rich to average WELL DRAINED soil. Light to little summer water- actually once its established I never water it and everything is just fine. Nice en mass. Rock gardens- thrives in the hellstrip. Not a fan of shade. Winter deciduous- unusual for an Erodium. Long lived.

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Eryngium pandanifolium

Kind of hard to believe this is a sea holly but this enormous evergreen perennial from Argentina definitely is. Long upright soft green spikes leaves emirate from a large rosette to about 3′ tall by 3′ wide. In summer 6′ tall spikes support off white orbicular flowers on tall divided scares. Pollinator heaven. A very dry climate appearance lends it to pair with cactus, Nolinas, even Agaves. Gravel gardens large dry borders. Full sun and very little water once established. Protect from subfreezing wind if an arctic event threatens. High deer resistance. Big bold plant.

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Eryngium pandanifolium var. lesseauxii’

Fun tall growing sea holly that may be impossible to pronounce but its easy to grow. Upright growing finely serrated or prickly leaves first make a low 2′ wide rosette then when it feels like it- usually the second year a big as spike rises with a divided scape and tons of off white prickly clover like flowers dot the stem tips. Its cool. This whole perennial is cool and its slightly hardier than the species. Very cool. Evergreen perennial for full sun and just about any well drained soil. Flowers rise to 5′ tall and with time there will be many spikes. Pollinators arrive in droves to pollinate this very unusual but architectural perennial from South America. High deer resistance.

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Fargesia robusta

Excellent CLUMPING bamboo that is adaptable to a wide range of situations. Ultimately 15′ tall the 3/4″ culms rise up green with dramatic white culm sheaths before changing to a golden yellow. The foliage is dense and clusters around the top 3/4th of the canes. Easy to grow bamboo for redistricted sites in high overhead shade to full sun (but avoid the reflected heat of walls). Spreads moderately fast by a steadily increasing clump- each new culm is just inches from the other. Forming a grove to 4′ wide at the base in 6 years. Very upright growth makes it ideal for the thin space between houses, or for shading a courtyard. Regular summer water in rich, moisture retentive soil that drains. Drought adapted when established. Good performance in ice and snow. Hardy.

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Fragaria vesca ‘Alexandria’

Excellent strain of the delicious woodland strawberry. Forms clumping plants to 1′ x 1′ and a continuous parade of small white flowers means that the season of harvest of the small but sweet berries is equally as long. Line paths in a woodland or just stick one where ever so that when you get hot and hungry in the garden you have snack at arms length. Really easy to grow hardy perennial. Burns in full hot sites, happier with protection from blasting rays and dry soil. Rich soil with regular water leads to results. Semi-deciduous in winter. Not bothered by pests. Well, maybe dogs, Dogs will sneak some berries when you aren’t looking. I love dogs. Oregon native plant.

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Genista aetnensis

Mt. Etna Broom is a remarkable TREE from the slopes of Italy’s tallest active volcano. Unlike Scotch Broom (Cytisus scoparius) this fine, leafless tree will NEVER become a pest in our climate. Rush like pendulous green stems are replete with yellow jasmine scented pea flowers for months in summer. This tree casts no shade but provides an elegant vertical element. The sweet perfume travels many feet on a warm day. Blooms May-August. Fast growing drought adapted tree to 18′ tall and 8′ wide in 10 years. Full, all day sun in a hot position in poor to average very well drained soil. Little summer water once established. Forms a very nice trunk in time. Plant with drought adapted shrubs/perennials. Wonderful small garden tree where you need height but don’t want shade. High deer resistance. Slightly tender when very young- fully hardy as an adult (3-4 years). Spectacular in bloom. No shade, it casts no shade.

Photo credit: Loree Bohl (Danger Garden)

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Geranium x ‘Rozanne’

Possibly the best hardy Geranium ever selected. Sky blue flowers with a slightly white center appear non-stop from June to frost on this vigorous and flowery perennial. To 18″ tall and twice as wide or more. Well drained soil of average to rich fertility with light consistent summer water. Planted adjacent to shrubs and trees this perennial may actually act as a climber- rambling up into lower branches and displaying its cheery blue flowers up high. Full sun to light shade and regular summer water. Winter deciduous. As with all hardy Geraniums it shows great resistance to slugs/snails. Unauthorized propagation prohibited. PP#12,175.

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Gilia achilleafolia

Yarrow Gilly Flower as the 49ers named this sweet little annual California wildflower. Frilly green foliage gives rise to 10″ stems supporting violet to sky blue flowers. Blooms May-July in our climate. Very easy to naturalize in open disturbed sites. A great reblooming pollinator wild flower. Makes sweet little bouquets as well. Full sun and lose un compacted soil- turn the soil to incorporate oxygen before planting. Light summer water keeps things going. Or it will finish with drought setting seed for the next years performance.

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Grevillea juniperina ‘Firewoman’

About 15 years ago we planted this tiny seedling at the top of our propagation hill behind our wholesale nursery in Sherwood. After all those years and two trips down to 5ºF, numerous ice, snow, wind events it has remained completely happy and unblemished. This is closer to the species in form. To 4′ tall x 6′ wide in 5 years. Very prickly needles pose as the leaves forming a very formidable shrub. From January to July flaming red/orange flowers are curly and lick the tips of the stems like flames. And LOVED by hummers. Full sun to part shade, the very poorest, most well drained soil with no summer water once established. Takes clay soils on slopes. Completely drought adapted and it likes it that way. Great deer resistance. Long season of bloom on a charming architectural evergreen shrub.

Xera Plants Introduction

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Grevillea juniperina ‘Lava Cascade’

Low ground cover form of the Juniper Grevillea. Spreading to 6′ wide it rises to just 2′ when happy. Most of the time it is much lower. This selection is the most commonly seen orange form of this species. Spidery orange/red flaming flowers appear in clusters at the branch tips. The most likely bloom period is February-June- but older plants pump out sporadic flowers year round. Excellent on slopes- especially warm south facing slopes in a protected location. Surprisingly cold hardy enduring temperatures down to about 8ºF with no damage. Avoid subfreezing wind as well as boggy conditions and crowding fro other plants. Extremely drought adapted requiring no supplemental water after a year or two. Highly deer resistant. Excellent evergreen- but prickily shrub for Hell strips. Loved by hummingbirds. We have since introduced G. j. ‘Xera Ember’ which is a more compact shrub 2′ x 4′ and has merely deeply hued (bordering on red) flowers for a longer period. Gains hardiness with age. Pictured here with ‘Molonglo’.

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Grevillea juniperina ‘Molonglo’

Juniper leaved Grevillea that is a low spreading ground cover. Grass green needle like foliage plays host and is often obscured by masses of curly apricot yellow flowers. They peak in late spring but occur almost any time of year. Poor, well drained soil in full sun with no supplemental water ever. To 2′ tall by 6′ wide in 5 years. Supremely adapted to the heat and drought of parking strips. Prickly foliage deters animals- and even people. Incredibly floriferous shrub with year round flowers peaking in spring. Loved by hummingbirds. Protect from subfreezing wind. No fertilizer.  Dense enough growth to smother weeds Best with total neglect. Loved by hummingbirds. Little water when established. Amazing in bloom.

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Grevillea juniperina ‘Pink Lady’

A pretty shrub for a protected location.  Compact growing evergreen shrub with medium green needle-like foliage. To 2′ x 4′ in 5 years. Nearly year round-but peaking in spring, copious light pink curly flowers are loved by hummers. Protected location in virgin, un-improved soil. Little to no summer irrigation. Excellent on a hot south facing slope- avoid crowding by other plants or an exposed cold site. Its possible that this is a hybrid and not pure G. juniperina. However, there is so much variability in this species that we are unsure. Extremely drought tolerant but it seems to grow faster and bloom more profusely with light water in summer. This plant is great at the Oregon coast where it is in nearly full bloom year round. It has survived undamaged in my garden for 9 years and has endured temperatures to 10ºF undamaged. It could be much hardier (when established). Limited qualities.

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Grevillea juniperina ‘Xera Ember’

Our improved selection of the Juniper Leaved Grevillea with darker orange to near red profuse flowers and a more compact habit. To 2′ x  4′ wide in time the prickly grass green foliage of this spreading evergreen shrub allows the vivid curly deeply colored flowers to shine. Blooms nearly year round with a peak in mid to late spring. Loved by hummingbirds. Completely drought adapted- never needs supplemental water. Poor to average soil that drains but has never been amended or fertilized. Awesome candidate for a hot hillside or a protected hot south facing wall. Spectacular in bloom. Requests neglect- you should oblige. Hardy to around 7ºF.  Full sun.  High deer resistance.

Xera Plants Introduction.

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Grevillea miqueliana var. moroka

Round leaf Grevillea is a great cold hardy species from the highest elevations in the mountains of SE Australia. Handsome wavy round evergreen leaves frame showy pendant flower clusters from January to June. The sunset colored flowers feature orange/yellow/pink in various incarnations depending on the temperatures. Loved by over wintering Anna’s hummingbirds. Any reasonably well drained soil that has NOT been amended. Native soils are perfect, and tolerant of clay as well as sand.  Great on slopes. Fast, large growing to 8′ x 8′ in 6 years. Little summer water required. Sporadic flowers appear year round. Avoid fertilizers. One of the best climate adapted Grevilleas that we have grown. Grows very fast with little water. Full sun and a hot position. Listed as endangered/threatened in Australia where it occupies just a half dozen sites in the high mountains. Extra reason to grow this fabulous multidimensional shrub that is good looking year round and blooms for a long, long period. No summer H20 when established. None.

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Grevillea x ‘Canberra Gem’

One of the easiest Grevilleas to grow in our gardens this free flowering hybrid requires a protected location but is surprisingly hardy when well sited. To 4′ x 6′ wide in 5 years, the needle like foliage is bright green and fairly crowded along the stems. In spring through autumn- and sometimes during mild winters clusters of spidery deep vivid magenta flowers appear all over the plant. Very showy. Loved by hummers. Full sun and average to poor well drained soils. Great at the top of a hillside or next to the south wall of a house. No summer water- ever, or compost. Native unimproved soils are what it loves. Cold hardy to the low teens. It has recovered from lower and we’ve seen established shrubs in protected places all over western Oregon. Fantastic performance at the Oregon Coast where it should become a staple landscape shrub. High deer resistance- and that includes Elk on the coast. Takes well to pruning after the first flush of bloom has ended. Hybrid between G. rosmarinifolia and G. juniperina. Evergreen.

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Gymnocarpium dryopteris

A fantastic, tough but elegant and demure fern known as the Northern Oak Fern and its native habitat is nearly circumpolar in the Northern Hemisphere including right here in the state of Oregon. Finely incised, delicate looking lime green foliage has an affinity to paper lace doilies. Completely deciduous this fern creeps by stolons to form large patches in part shade to shade. Best in soils that are somewhat light but endures even heavy clay soil. Light consistent summer water is ideal but established plants withstand considerable drought. This fern with an appearance so delicate is actually a survivor of a plant and is very easy and satisfying to grow. Dies back in the darkness of autumn and emerges mid-spring. Excellent deer resistance. Competes well with tree roots. Surprisingly rare in commerce. Oregon native plant.

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Heuchera cylindrica

Green Alum Root. Fantastic native Heuchera found east of the Cascades but a stellar garden plant on the west side too. Handsome scalloped leaves form a tight evergreen clump. For weeks and weeks in late spring to summer 20″ spikes have columns of small green flowers at the top. Very pretty. Amazing massed in part shade and rich to average well drained soil. Regular summer water though established plants thrive on very little. A pretty Oregon native perennial. Thrives in such diverse places as partly shady hellstrips to the front of borders. Not bothered by pest and disease and much more durable than the hybrids. Easy to grow. Climate adapted. Oregon native plant.

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Holboellia angustifolia (Heronswood)

We got this form of Holboellia from Heronswood eons ago. It has much larger leaves than those being sold as angustifolia, And it bears larger flowers too. A vigorous, hardy, evergreen vine applicable to a large pergola, fence, or sturdy arbor. Twining vine to 20′ or more over time. On wood from the previous year large clusters of pendant white flowers have a soft sweet fragrance in close proximity. We have yet to see fruit set on this particular cultivar. Good year round appearance, not roughed up by winter in most years. The large palmate leaves are held on sturdy petioles that separates the whole leaf. Full sun to shade in rich to average soil w/ regular summer irrigation. Takes very dry conditions when established. Provide STRONG support- established plants can put on many feet of growth per year. Elegant layered appearance of the leaves gives this plant a graceful mein. Prune AFTER flowering if needed. You can prune it hard in late winter – this will sacrifice many flowers but re-growth is vigorous, if not instant.  SW China.

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Hosackia (Lotus) formosissimus

Curious and rare coastal native plant that can be found in permanently wet sites. This gives you a clue about how to grow this striking little pea. Wide stretching arms deliver pink and yellow flowers in clusters at the tips. Blooms April to July. Native along the immediate coast from the Bay Area in California north to British Columbia. Never common in its range. Stream banks, seeps, the margins of ponds for full sun and perpetually moist soil. Excellent for use in rain gardens (bioswales). Often short lived in gardens where it is dry. You must supply constant moisture. To 8″ tall by 4′ wide. Oregon native plant.

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Impatiens omieana ‘Ice Storm’

Pretty version of this hardy perennial impatiens. It forms mounds of lush foliage that has a light icy sheen on the surface of the leaves. If you look closely at this cultivar the leaves actually sparkle as if they were inlaid with crystals. Groovy. To 2′ x 3′ spreading in part shade to shade in rich, well drained soil. Consistent summer moisture. In autumn the tops of the plant bears many tubular light yellow flowers that are surprisingly large. Completely winter deciduous.

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Indigofera amblyantha

Cool Indigo shrub that produces erect stems of light pink flowers w/ a touch of white. The flowers appear on new growth and as long as the plant is vigorous the display will be too. Deciduous woody shrub to 8′ tall by 8′ wide in a season. Established plants may be pruned to the ground in early spring and will vigorously rebound and bloom. Loved by pollinators. Not a dense shrub rather a light texture that is almost see-through. Very fun and flowery and easy to grow in full sun to light shade in average soil w/ regular summer water. I’ve never seen this species set seed in our climate. Cold hardy below 0ºF as a subshrub that can freeze to the ground below 10ºF. Pinnate leaves as for the species is a soft light green. Admirable cut flower- a whole branch yields many flower inflorescences. Remarkable shrub that can difficult to locate. Loved by butterflies. We grew this pretty shrub years ago and have brought it back.

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Indigofera decora

Chinese Indigo is one of our favorite perennials/subshrubs. Arising from the ground in late spring the arching stems to 3′ support 6″ long pendant pale rose pink flowers for months and months. No intervention needed from the gardener. In time it suckers to form 4′ wide patches. Regular water to establish in average to rich, well drained soil. Full sun. Freezes completely to the ground in winter- cut back defunct stems from the previous year in early spring. When it does emerge its a very quick trip to up and blooming. Incredibly drought tolerant when established but light consistent watering seems to encourage new flowers- as it grows it blooms so you want to keep it growing. Incredibly elegant but tough plant that asks for so little but gives so much.

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Iris cristata

Precious! Amazing little spring blooming iris from the eastern U.S. Tiny green fans of leaves creep along the ground and form interconnected colonies with their long rhizomes. In late March into April 3″ wide soft blue and white flowers appear out of nowhere. The rise above the low foliage to 5″ high. PRECIOUS. The lower petals (the falls) have a zone of darker blue and orange. PRECIOUS. Part shade in rich woodland conditions- excellent under established shrubs or at the fore of borders in the forest. Regular summer water. High deer resistance. Completely disappears in the winter. PRECIOUS. Little spring wonder from the east.

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Iris unguicularis ‘Walter Butt’

Not a very enchanting cultivar name but a useful and distinct flower color variant of Algerian Iris. This winter blooming species produces large pale lilac/ivory flowers from November-sporadically until March. The 4″ flowers are nestled in the grassy evergreen foliage but are a light enough color to read from quite a distance. This for is perhaps best planted with the species to produces contrasting flower colors for more depth. To 1′ tall and twice as wide in several years. Full sun to very light shade in well drained soil of average fertility. Not quite as cold hardy as the species but it has to get pretty damn cold (below 5ºF) for damage to occur and that just never happens. Long lived perennial. High deer resistance. Low summer water requirements.

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Jasminum parkeri

Adorable congested little shrubby Jasmine that is at home in rock gardens, shrub borders etc. To eventually close to 2′ tall it spreads slowly to 2′ wide in 7 years. In spring and then sporadically all summer a huge display of soft yellow flowers with a sweet fragrance. Full, hot sun and rich to average well drained soil. Little or a lot of summer water. Easy, hardy long lived deciduous shrub. Never needs pruning. Moderate deer resistance.

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Kniphofia ‘Shining Scepter’

Even though this poker blooms but once the color is so intense and the amount of flower spikes on one clump of plants so impressive that we have to include it. 3′ tall flower spikes support HOT orange solid colored flowers from June to July. The clump expands annually in rich, well drained soil with regular summer water. Full sun to very light shade. Winter deciduous. Very easy to grow hummingbird food.

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Kniphofia ‘Timothy’

For pale coral/pink flowers ‘Timothy’ is tops. From a clump of relatively few leaves multiple spikes of 3′ tall richly selfed flowers rise up. A beacon to hummingbirds and a great harmonious color in the garden. Rich, well drained soil with regular summer water to spur re-bloom which will continue through the very hottest weather. An annual application of compost and all purpose organic fertilizer will result in more vigor, flowers, and re-bloom. Full sun to very light shade. Long lived elegant perennial. Nothing like the brash bicolor flowers of the old fashioned K. uvaria- the standard old poker. Excellent and dramatic cut flower. Removing spent flowers encourages more. Give the clumps room to expand with little competition from other plants. Moderate deer resistance.

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Kniphofia pumila

Little known but spectacular poker that we love for its HUGE late summer flowers of shocking acid green. Each flower spike includes up to 1′ long spike of tubular flowers. Forms a large tropical looking grassy evergreen clump. Full sun and rich well drained soil with regular summer irrigation. Apply an annual application of compost to increase vigor. To 4′ tall in bloom the clump of grassy foliage expands to 3′ wide. Give it the room that it needs. Depending on the weather flower spikes can occur any time from June on but mostly cluster in Aug-Oct. Semi-evergreen. Moderate deer resistance. Cold hardy.

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Lagerstroemia indica ‘Victor’ (Red)

Smaller growing crape myrtle that we love for its opulent display of true red flowers in August to October. Slow growing to 8′ tall and 4′ wide in 8 years. Full hot sun and rich to average well drained soil with REGULAR deep summer irrigation to bloom. Loves heavy clay soils as long as they are irrigated. Fall color is red/orange and in time the stems exfoliate to glossy tan. Give this small tree/shrub the hottest site possible. Easy, disease resistant and cold hardy. Great for smaller gardens.

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Lagerstroemia x fauriei ‘Choctaw’

Obscure and exceptional tree type crape myrtle that was one of supreme breeder Donald Egolf’s favorite introductions from the National Arboretum. He introduced 30 Crape myrtles so thats saying a lot. Fast growing upright tree with phenomenal bark. Cinnamon red/mahogany/cream all are present on this 25′ tall arching tree. From late July to October a fantastic display of luminous soft pink flowers born on huge trusses. Fall color is vivid orange/yellow/red. In time it develops a spreading crown and makes a wonderful garden tree. Average to enriched soil with REGULAR summer water for the first few years. Deep soaks on established trees enhances bloom as well. Full, all day sun in a hot position. Excellent tree to garden with- roots are not intrusive and it happily accepts regular irrigation. Grows about 3′-5′ a year when young- slows down to its ultimate height. This is essentially an improved pink flowered form of ‘Natchez’.  Limited quantities.

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Lagerstroemia x fauriei ‘Hopi’

For our climate this is one of the very finest summer blooming small trees. Forming a perfectly round dome in time to 12′ tall and nearly as wide this free blooming tree also requires the least amount of water to sustain it and bloom. Beginning in mid-July large trusses of bubble gum pink flowers appear and they completely obscure the foliage of the crown re-blooming non-stop until the end of September. In fall reliable and incredibly showy orange  to red and yellow fall color is stunning for an extended period of time. The bark sloughs off of older trees to reveal a glossy gray surface. Moderately fast growing this should be a standard landscape plant in our climate. Exceptional cold hardiness and no fear of disease.

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Lagerstroemia x fauriei ‘Yuma’

Extraordinary tree that displays HUGE trusses of almost double flowered glowing lavender blue flowers. Open spreading habit on a compact tree to 14′ tall and 8′ wide. The branching structure favors the huge opulent flower clusters which always begin in my garden in early August and continues well into September. Fall color is a vivid orange and yellow combination and is reliable. The sinuous trunk displays pink/tan coloration Smooth and very pretty. Its consistently one of the youngest to show bark coloration.  Full hot sun and regular summer irrigation to bloom and thrive. Very cold hardy and disease resistant. An easy and spectacular tree that should be planted everywhere. Beautiful.

 

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Leptosiphon ‘Star Dust’

BABY STARS!  Cute hardy annual that is actually a west coast native. Also known as Stardust this little plant produces adorable stars in pink, orange, yellow, and white. All together a tapestry of color on just 3″ tall plants. Reseeds prolifically in open disturbed sites. Just one potted plant will yield hundreds of seedlings for the following year. Blooms May- July then dies, goes to seed, is no longer there. Great bulb cover. Little to no summer water for self sown seedlings. Primarily composed of Leptosiphon bicolor which is native to the Portland city limits. In the wild the flowers are primarily pink with a yellow eye- occasionally other colors. Adorable. Baby stars. Oregon native plant.

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Limnanthes douglasii

Meadow foam is a native hardy annual that occupies the flood zones in the valleys in most of Central and northern California up through the Willamette Valley to Portland.  To 4″ tall and up to a foot wide the grass green finely divided leaves are a great backdrop to the yellow flowers which are cleanly tipped white at the edge of the petal. Vigorously reseeds in any soil in full sun to part shade. Leave the dead straw to disperse the seeds or simply shake it where you would like next years display to be. A great annual to eclipse the fading foliage of bulbs.  No supplemental water required. Completes its life cycle by the heat of summer and has already set hundreds of seeds for the following years crop. This from just one 4″ pot. Groovy west native that is one of the most reliable reseeding annuals. Oregon Native Plant

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Lobelia tupa

Big huge perennial Lobelia from Chile that is one of the most exotic perennials that we can grow. Spires of 5′ blood red flowers appear for weeks in the middle of summer. Hummingbirds delight. Large pale green leaves provide added contrast. Spreads to form large colonies (does not run). Full sun and rich, well drained soil. Great on hillsides. Light summer water. Completely deciduous in winter. Returns from the base in mid-spring. Give it room to stretch out- new plants are deceptively small. Water regularly for the first summer to establish. Spectacular perennial.

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Lomatia tinctoria

AKA Guitar Plant from Tasmania. Still can’t tell why its called that. Perhaps the shape of the finely divided leaves? I dunno. Awesome shrub though that only reaches about 4′ high and 3′ wide in 7 years. In mid-late spring amazing 1′ long spikes rise and unfurl a multitude of curly ivory colored flowers. The effect is pure Monet. Compact evergreen for poor to average well drained soil. Little to no summer water when established. Does not do shade, of any kind. Do not try. Best sited in a protected location- against a south or west facing wall for instance. Elegant thing. Thanks, Tasmania.

Photo credit: Loree Bohl (Danger Garden)

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Lomatium utriculatum

Spring Gold or Biscuitroot is a widespread spring perennial from British Columbia south into northern California. In our area it occupies steep slopes and delights in mid-late spring with complex umbels of brilliant gold/yellow flowers. This tap rooted plant requires regular water for the first season- but never boggy, In enriched to average well drained soil. Excellent performance on slopes. Over time the rosette increases in width and spring flowers. An important native pollinator plant that was also used by native Americans as a food source. To 6″ tall in bloom a plant will achieve 2′ wide in half a dozen years. Strongly resents disturbance and a happy plant will live for decades. Not bothered by pests. Once native in the Portland area, its original range in W. Oregon has been substantially diminished. Great companion plant with Manzanita. Moderately deer resistant. Winter deciduous. Oregon Native Plant

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Luzula nivea

Snowy woodrush is a great woodlander and has many seasons of interest. The thin arching blades on this clump forming plant are softly veiled in white hairs that gives a softness to the clump. To 10″ tall and as wide in a season. In late summer 2′ tall spikes appear and produce snowy white flowers. They sway in the breeze. A mass planting of this in bloom is magical. Rich, moisture retentive soil that drains in part shade to shade. Takes sun with regular water  but nothing hot. Excellent long lived perennial. Can self sow when very happy. The hairy seedlings are easy to spot and move- or give away.

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Matteuccia struthiopteris ‘The King’

First rate, cold hardy and excellently adapted to permanently wet sites in part shade to shade. This larger form of the Ostrich Fern forms a large crown in time. It supports very vertical soft green fronds to 3′ tall. In time the clumps increase in size. Rich, moisture retentive soil with regular summer irrigation. Creek margins, bogs, the edge of ponds. Completely deciduous in winter. Often turns showy russet orange before dying down. Returns in mid spring. Loathes drought and avoid hot sun. Opulent fern and a great selection. Moderate deer resistance.

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Moraea alticola

Cool Iris relative from South Africa in a genus that is common in warmer climates. This cold hardy high elevation species is peculiar in that it produces just a few very long evergreen leaves that mostly splay out on the ground. At the base of the leaves are fine netting- bulb netting that protects the bottom from damage. In May-July it sends up usually, just one solitary stem. At the top a large Iris flower of the softest yellow opens. The lower petals (the falls) are intricately marked with gray veining around a brighter yellow spot. Its a beautiful flower. But don’t remove it when its done because there are more to come from that very same stem- seemingly from no where a parade of flowers will erupt for weeks. Full sun and well drained rich to average soil. Very easy to grow and long lived. Avoid compacted clay and competition from other plants…it doesn’t like that. Thrives in the baking heat of hellstrips or in rock gardens. A very pretty flower that is an exceptional color. Moderate deer resistance.

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Muhlenbergia rigens

Deer grass is native to large areas of the west coast from west central Oregon south through California. Its a tough and wild looking grass that peaks in autumn with a crescendo of dramatic flowers. Dense and fountain forming evergreen grass. Foliage to 2′ x 3′ very quickly. In autumn spikes of light tan thin but feather columns emerge and point out in every direction. The rise to about 5′ tall and remain as stiff skeletons well into winter. Full sun to very light shade in any soil that drains. Excels on slopes and raised beds. Wonderful lining a path or mass planted. Water to establish the first season then none in subsequent years. Its fully adapted to our dust dry summers. Very wild looking grass which can be tamed somewhat by planting in rows or symmetrical pattern. Otherwise it fits in perfectly between drought tolerant native shrubs like Manzanita and Ceanothus. Oregon native plant.

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Nemophila maculata

Five spot is a showy and adorable west coast native true hardy annual that delights under oaks with 1″ wide white and blue flowers. One deep blue dot at the tip of each of the five petals. To 4″ tall and sprawling to 8″ wide the cheery flowers appear from late March to June before the plant completes its life cycle and dies and goes to seed. Reseeds reliably in open disturbed sites. Fine leaves on small rosettes tell the story in autumn. Self sown plants require no supplemental water. One potted plant will yield hundreds of seedlings for the following spring. West coast annuals are cool. Found in a small part of Josephine and Jackson counties in southern Oregon. Oregon native plant.

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Nemophila menziesii

Baby Blue Eyes a hardy annual wildflower native to the bottom third of Oregon is a beautiful shade of blue in spring gardens. Finely divided foliage forms sprawling rosettes that support the nickel sized sky blue to pale blue flowers. Blooms April to June. Reliably reseeds in open disturbed sites. The whole plant is dead and chucking seed by the heat of summer and ultimately disappears on its own. Adaptable to any soil type in full sun to light shade. Self sown plants get by with no supplemental irrigation- plants from containers seem to like regular water. To 4″ tall and 1′ wide. Oregon gardeners should discover the advantages of our own hardy native annuals. They occupy space between shrubs happily and laugh at summer drought by finishing their life cycle and simply spreading anew by seed. Oregon native plant.

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Nevuisia alabamensis

Cool shrub in the rose family that is native to the state of Alabama. To 5′ x 5′ light green serrated leaves are pretty. In April/May the entire shrub is smothered in white flowers made up entirely of stamens. No petals here. Graceful and durable deciduous shrub for part shade to high overhead shade. Regular soil including heavy clay soils. Light, consistent summer water. Soak once every 2 weeks. Fall color is yellow to light orange. Long lived and easy to grow unusual shrub of great grace. Avoid blasting sun and extreme drought.

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Origanum libanoticum

From the middle East (Syria, Lebanon) this hop flowered species of Origanum has been a stalwart performer in our climate. Low and spreading stems create hop shaped structures that house the little protruding hot pink flowers. The hops are mostly light green but can take on pink tints. They are fully pendulous and the best way to display this plant is to site it on the edge of a precipice or wall or from the side of a container. To 8″ tall and 2′ wide when happy. Rich, well drained soil with light summer water. Begins blooming in May and continues unabated to September. One of the parents of several popular hybrids but we like the straight species quite a bit- it seems tougher. Graceful. Dies to a very low mound of foliage in winter. Cut back the previous seasons dead stems in early spring. Cold hardy and very showy.

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Orlaya grandiflora

WE LOVE white lace flower with its beautiful pristine white umbels held high above ferny green foliage. A true hardy annual native to the mediterranean. It makes a wonderful swath of lacey white to 18″-20″ tall. Long stems are ideal for cutting and this flowers lasts in vases wonderfully. Blooms repeatedly from late spring to mid summer.. Cut spent flowers and they re-bloom. Open disturbed soil that has been well dug- and a little organic fertilizer to spur vigor. Full sun. Borders, cutting gardens, cottage gardens- virtually anywhere. Re-seeds in open disturbed soils (no competition). Light summer water.

 

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Platystemon californicus

This charming true poppy relative is also known as Cream Cups. Easy to see when the cup shaped flowers open during the sunniest time of the day. The petals are various shades of yellow with cream veining. Or is it the other way around? Either way its adorable beyond measure as this little thread leaf clump forming true annual pops into bloom in our climate from late April to early June. Not a prolific self seeder but I’ve heard once you get it where it likes it then its yours. To 5″ tall when the flowers top out. Full sun and average to rich well drained soil. Not difficult. West coast annuals are wonderful not only for their color, texture, and forms but of their endearing nature. They are tough little plants with a delicate appearance. Light summer water extends the bloom before high heat finally ends the show and seeds go flying. No shade. Rock gardens, spring borders. High deer resistance. This little beauty though mainly found in California comes just into Oregon in Curry and Josephine counties. Oregon native plant.

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Polypodium glyceryrrhiza

Our native Licorice Fern that has a backwards season. It emerges all fresh and happy with the first cool weather and rains in autumn and persists that way until hot weather takes hold, then it quietly (and cleanly) disappears. Forms spreading colonies on any light surface including the vertical slopes of rocks and trees. The base of the plant forms an interconnected series of rhizomes that cling to anything. It escapes all drought and heat by summer dormancy. Neat trick. If you detach the fronds and bite into the base of the petiole it delivers a strong anise/licorice flavor. This remarkable plant should be common in living walls and green roofs that would require no supplemental irrigation- and actually thrive and look healthy. Excellent performance in the ground in rich, well drained soil. Water as they say is irrelevant. Highly deer resistant. Oregon native plant.

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Primula sieboldii ‘Ice Princess’

My personal favorite primrose. This sieboldii selection blooms later than others but the flowers which are soft blue on the back of the flower and have a pure clean white face on the front. Heavily frilled petals are elegant on 8″ stems. Blooms May to early June in cooler years. No other cv of P. sieboldii comes as close to true blue. Forms a clump in time in rich, moisture retentive soil in part shade. Goes quickly summer dormant with true heat. Still water the roots of the dormant plant- they like that and will reward you with a greater show the following spring.

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Primula sieboldii ‘Lacy Lady’

The most vividly colored flowers of the three cv of P. sieboldii. Hot pink on the reverse of the heavily frilled petals with an open front of white with distinctive hot pink striations shot right through. Blooms in-between the other two selections. First ‘Late Snow’ then ‘Lacy Lady’ and finally ‘Ice Princess’ Plant them all together and you get an extended show of one of the prettiest and most sophisticated species of Primula. Goes quickly summer dormant with heat. Continue to occasionally water through the dry summer. To 8″ high in bloom.

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Primula sieboldii ‘Late Snow’

Excellent, selection of this easy and graceful perennial Primrose. Grass green round leaves form a rosette from the middle 8″ spikes support masses of flat, heavily frilled pure white flowers from April to late May. This is the most vigorous selection that we grow and will quickly increase in size  in rich, moisture retentive soil in part shade.  Blooms heavily for 6 weeks then goes quickly but quietly summer dormant. Though it has disappeared its important to at least occasionally water the plants roots through summer. To 1 1/2′ wide in several years. Apply  a handful of all organic fertilizer in early spring.

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Prunella vulgaris var. lanceolata

When you’ve given up all hope, When you think nothing will grow there enter this rugged, pioneering native to the rescue. Infamous for its weedy introduction have you ever had a close look at our own NATIVE populations? They yield truly showy flowers that are large cones with relatively large velvet purple flowers protruding. They make a great cut flower too. Found from the arctic to the tropics on North America. This form is genetically native stock. Full sun to quite a bit of shade in virtually any soil. Not as rambunctious as you would think but not a shrinking plant either. Very wild appearance and we like it. One of the first wildflowers that I recognized as a child, and when I was introduced much later to the weedy type I was sorely disappointed. Responds to regular water by blooming continuously. Reacts to withering drought by becoming limp and sometimes crisps. It always comes back. Mostly evergreen in our climate. To 6″ tall in bloom otherwise prostrate. Bees adore this plant. Aka Lanceleaf Selfheal. A good native weed. Oregon Native Plant.

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Punica granatum ‘Double Orange’

Very showy ornamental Pomegranate that we love for the insanely double hot orange congested flowers. They are like you are on acid. Far out man. No other shrub that we grow has a flower color this intense. It blooms beginning in June and continue to September. Most years one or two or more ornamental pomegranate form. They rarely ripen in our climate but are very ornamental and can be detached and brought inside. Where they last for months in arrangements Full hot all day sun in rich, well drained soil. Water the first year regularly to establish then only once a month in summer from then on. To 9′ tall forming a multitrunked vase shaped outline. Glossy green leaves turn electric yellow in autumn before dropping. In spring it tends to break dormancy late, not until late April. Patience.

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Punica granatum ‘Grenada’

If ever there was the chance to ripen a Pomegrante in our climate this cultivar is the best bet. Large growing deciduous shrub for full hot sun and any well drained soil. Light to little summer water is necessary once established. Amenable to regular water as well. Beginning in June a continuous supply of red/vermillion/orange single flowers appear. If pollinated they will form fruit which would ordinarily (in a hot fall climate) ripen by October. In our much cooler climate it requires the hottest spot possible. Against a south facing wall would be ideal- for fruit to possibly ripen. Otherwise the large pomes with a blushed red outside are very ornamental. They can be left on the shrub or brought inside to dry where they will last for months in a dish. Very pretty. In autumn ‘Grenada’ turns a clear and luminous yellow before the small glossy leaves drop. Breaks dormancy late in spring- usually late April- be patient. Blooms on wood from the previous year- prune directly after flowering if needed. Avoid all shade. High deer resistance.

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Punica granatum ‘Nana’

Excellent ornamental Pomegranate for our climate. This heat loving (and tolerating) deciduous shrub is also incredibly tolerant of summer drought. To 5′ tall by 3′ wide it greets the heat of summer with electric orange small crape petalled flowers. Each is held in a thick calyx that is  to become a small blushed ornamental fruit. Full, hot sun in a hot position with summer water to speed growth and establishment. Well drained soils of average fertility. Fall brings brilliant yellow foliage before it drops. Late to break dormancy in spring- waits until the first truly warm days. Be patient Cold hardy to near 0ºF.

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Pyrrosia hastata

Three fingered felt fern. This clump forming evergreen fern has been a fantastic performer in the ground in the Portland area. The large sage green leaves have three finger like lobes and are held horizontally at the ends of 6″ stems. Forms a dense clump that expands slowly in rich, well drained soil with light but consistent summer water.  Part shade to dense shade and it will tolerate quite dry shade when established. An excellent fern for planters and containers in hopelessly dark dry places (usually with a few dead or dwindling plants) this won’t do that. Excellent in containers with great winter appearance. Its been hardy in the coldest winters in my garden- below 10ºF. (Sometimes rated as zone 6…um no). Slow to increase- be diligent with water. Makes an admirable houseplant. Moderate deer resistance.  Taiwan.

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Rabdosia (Isodon) longituba

I can’t imagine my garden in autumn now without this crazy late blooming blue, blue blue perennial. To 4’x 4′ long stems terminate in clouds of bright blue guppy shaped flowers beginning in mid-October and continuing usually until the first hard freeze- often mid-December in the city. Part shade in deep rich moisture retentive soil. Kind of a quiet plant until autumn and then holy shit. Clouds of blue guppies people. Clouds of blue guppies. Often it gets yellow fall color simultaneously with this display. Incredible cut flower at a weird time of the year. Regular water all through summer. This plant gets big, big, big. Perfectly hardy to cold way below zero. So happy I found you Rabdosia now Isodon which sounds more like a freaking Dinosaur than a groovy late fall blooming perennial.

 

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Ratibida pinnata

The biggest black eyed susan daisy of them all. Towering to 7’+ the sturdy straight stems of this hardy American plains native perennial displays very large yellow flowers with drooping petals reflexed away from a prominent black central cone. The thick stems rise up from a low mound of foliage. Blooms all summer long and often into October. Loved by pollinators of all kinds it also makes a really cool and surprisingly long lasting cut flower. Put this beauty in the back of a border where its sunny yellow flowers can wave to the sky. Light summer water in any well drained soil. Full sun to avoid flopping.

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Ribes malvaceum ‘Dancing Tassels’

Really excellent form of Chaparral Currant with 3″ soft pink flowers that appear at any point during winter well into spring. An evergreen shrub to 8′ x 5′ in 7 years. Surprisingly hardy for its origin- California’s Channel Islands.  Full sun to part shade  and well drained average soil. Great on a slope. Loved by overwintering Anna’s hummingbirds. Flowers are surprisingly cold hardy and are undamaged to the upper teens. If those that are open are spoiled by frost more will follow after the thaw. Very very drought tolerant, No supplemental water required when established. Loses most of its leaves in summer drought. Grows fairly quickly and is never a dense shrub- all the better to see the pendant flowers. Dry borders, shrub borders, winter gardens. This shrub loves our climate and is supremely adapted to a winter wet/summer dry regime.  Moderate deer resistance. Excellent winter blooming shrub. A beacon to Anna’s Hummingbirds.

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Ribes odoratum ‘Crandall’

This form of the famous eastern U.S. clove currant is fabulous not only because it is resistant to White Pine Blister Rust – and won’t transmit it to those trees- it bears large black, sweet edible fruit in summer. The chains of yellow flowers in March/April emit the adored fragrance of powerful cloves. Detectable quite a way away. To 4′ x 3′ in 5 years. Full sun to shade in rich to average well drained soil. Light summer water. Very adaptable and extremely hardy to cold. Fall color in our climate is yellow to orange. Self fertile. Protect fruit from birds. They really are a good quality black currant.

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Ribes x gordonianum

One of the most spectacular of the flowering currants. This hybrid between the yellow eastern Ribes odoratum and our locally native  pink flowered western Ribes sanguineum splits the good looks with chains of coral orange flowers with a faint yellow center. Salmon up close the color reads as orange from farther away. Blooms March/April for weeks on a large spreading shrub for part shade and rich, well drained soil. Consistent summer moisture- do not let it dry completely nor should it ever be soggy. Extremely cold hardy with orange/yellow fall color. To 8′ x 8′ in 8 years. Blooms on wood from the previous year- prune AFTER flowering if needed.

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Rosa sericea var. pteracantha

Blood thorn rose. Justifiably famous for the sanguine glowing red hue of the thorns on new growth. Back lit by the sun it would make a vampire very very hungry. Large growing species rose that also features 1″ fragrant single white flowers en masse on wood from the previous season. Established plants (1-2 years in the ground) may be coppiced in early spring to emphasize and create new wood clad in thorns. If allowed to mature a year  or two the thorns fade  to gray but then you are rewarded with scintillating flowers in May/June. Full sun and virtually any soil, including heavy clay. But avoid standing water in winter. Average, regular irrigation in summer keeps it looking fresh. Old specimens can make do with little water. If you do coppice this plant for thorns make sure you follow up with a bit of fertilizer (a handful of all organic fertilizer 9.3.4) and regular water to ensure regrowth is robust. Winter deciduous- fall color is orange red and brief. Bright red, shiny hips follow a profuse blooming season. Long lived. To 8′ x 8′ if left unpruned. Regrowth on hard pruned shrubs in a season can be almost as big. Disease resistant, virus free and produced on its own roots. Light deer resistance.

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Salvia x ‘Silke’s Dream’

Brilliant and tall and hardy (!) Salvia that blooms continuously from late June usually up until frost. Large spikes of large tubular flowers are a curious hue. We’ve decided on Melon Red. How’s that for marketing? Other people say orange and still others scream red. The picture we have is the true color. To 30″ tall from a woody base. Not a real dense plant- kind of airy actually and benefits by having a more handsome plant in front. Hummingbirds die for this plant. Rich, WELL DRAINED soil in full sun with regular summer water. If it gets tired looking in mid summer simply give it a hair cut and water it and boom! Back at ’em. Do not cut back the plant in fall or winter- that will make it much less hardy to cold. Instead remove dead top growth when new growth emerges- usually around mid-April. Excellent performance at the Oregon Coast.

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Sedum confusum

Useful and pretty evergreen Sedum that thrives in diverse biomes but always looks good. In dry dappled shade it will create a dense spreading deep green colony. To 5″ tall by several feet wide. In full sun it will grow a little slower but regular water will speed things up. The bright green rosettes of leaves are perched atop stems. In early spring the whole plant is awash in gold flowers and attending pollinators. Rich, well drained soil with light but consistent summer water. The more shade the less water is required. Nice ground cover for small areas. Dense and evergreen. Surprisingly cold hardy and amenable to life in our climate. Mexico.

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Sedum oreganum

Not hard to tell where this stone crop is endemic. It resides mostly in the middle elevations of the western Cascades. Rocky slopes, cliffs, and road cuts is where you find the clusters of small green rosettes that makes large colonies. In summer 4″ stems arrive topped with bright gold/yellow flowers- a pollinators dream. Little spreading plant to just inches high but expanding to several feet wide in well drained, somewhat enriched soil with light summer water. Full sun to quite a bit of shade. Forms a dense mat and may be used as a small scale weed blocking ground cover. Easy to grow plant. Roots into the ground as it spreads- evergreen. Oregon Native Plant.

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Selaginella braunii

Arborvitae fern, but it isn’t a fern at all! Actually its a really big spike moss! A moss with stems and arrow shaped fronds like a fern. To 10″ tall and forming a mounding colony in time. Bright green summer color is replaced by russet red and light brown with winter cold. Spreads slowly underground and new “fronds” unfurl out and up. With great age you’ll get a decent patch. So damn pretty for woodlands in the shade in rich, well drained soil that retains moisture. Regular summer moisture. Slow and easy does it. Its a moss! Can you dig it? Evergreen.

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Selaginella braunii

We love this fantastic dense growing acid green moss. It finds its best home in containers- not quite tough enough for life in the ground. Slowly expanding rounded dense clumps are beautiful all the time. Excellent as the understory to potted plants where it inhabits the most constrained roots with no problem. To 3″ x 6″ in a season. Very easy container plant. Regular water in rich, well drained soil. Regular water. Smooth and modern.

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Selaginella moelendorfii

Funny little spike moss that forms an upright clump of acid green to ochre foliage that turns bright russet red and pink in cooler weather. This moss is actually easy to grow in rich soil in a woodland with regular moisture. Forms little new platelets at the leaf tips and they drop off an wah lah  new plants. Thrives in containers. Protect from blasting sun and avoid total drought. They thrive in the most humid atmosphere you can find. Near a pond margin or in the spray zone of a waterfall. I even mist mine mine in the ground when it gets over 90ºF for an extended time. Mosses are cool. To 6″ x 6″.

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Sempervivum ‘Reinhard’

A really fun and rightfully famous cultivar. Celery green leaves are tipped in black. Very dramatic and the kind of contrast that makes a plant stand out. Rosettes are 4″ across and offsets are produced constantly. Very pretty dense small scale ground cover. Rich, well drained soil with regular summer irrigation. Deals with drought by shrinking. They rehydrate with the first rains. They look better and grow faster with water. Excellent in containers, crevice gardens, rock gardens, rock walls, troughs. I’ve never seen this variety bloom but I assume the flowers would be red or white…doesn’t matter thats not the point. Detach babies and give to neighbors with the official name. Increases its specialness, impresses the neighbor. This would be a good variety for a living wall.

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Sidalcea campestris

Oregon Checker Mallow is a fantastic long lived native perennial that thrives in gardens. In May-July and sporadically later stems rise up from low foliage to 14″ and support many soft pink flowers. Loved by pollinators and very easy to grow. This perennial inhabits slopes around the Willamette Valley in very heavy clay soil that dries out to concrete in summer. Adaptable to richer conditions, it also encourages a longer bloom season. Full sun to part shade. Native in Oregon Oak woodlands with Oregon Iris, Shooting Stars (Primula hendersonii- formerly Dodecatheon). Pretty meadow flower that combines well with native grasses and the aforementioned perennials. Established plants can get by with very little water. Forms a spreading clump to 2′ wide. Winter deciduous. Oregon Native Plant.

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Stachys coccinea ‘Coral’

For flowers in this genus this is THE plant. Upright growing plant from a clump that rises to 2′ and produces multiple spikes of bright coral colored flowers. They are arranged in symmetrical whorls up the stem. Loved by hummingbirds who constantly seek nectar from the flowers that appear from late spring to late summer. When flower spikes are spent simply cut them away and water and more will arrive. Very easy to grow long blooming perennial for full sun to part shade in rich, well drained soil with light but consistent summer water. Very drought adapted when established. Works well in borders and even seasonal containers. The leaves have a very familiar lemon lime aroma. Dies to a low clump of foliage in winter.

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Is this hardy? Why, yes, yes it is. Mexican Shellflower or just Tigridia is a fun bulb that produces large, immensely showy flowers that last but a day. Three large petals emanate from a wildly speckled center. White, red, orange, yellow, and pink flowers are all represented in this mix. Rich, well drained soil in a warm position- mine are on the south side of my house in average soil and they not only multiply year to year they self sow. The wonderful flowers appear individually for weeks in mid to late summer. Add a handful of all purpose fertilizer when planting and water consistently through bloom. Full sun- no fudging here. Very easy to grow. To 20″ tall in bloom on average. Flowers 3″ wide. -Emerges late in the spring- usually mid-May. Patience.

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Tolmiea menziesii ‘Taff’s Gold’

An exceptional variegated form of our native “pigaback” plant that is excellent as a groundcover in dense to light shade. Vigorous and evergreen it will spread to 4′ wide in 2 years but stay only 1′ tall. Very easy to grow, works well under established Rhododendrons. Pretty, but not conspicuous brown flowers. Regular water but will take drought if in the shade. Easy, indispensible native plant.  Forms new plants directly from the center of each leaf. Cool trick. Also grown as a houseplant. Good in containers. Oregon native plant.

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Vancouveria chrysantha

Siskiyou Inside-out-Flower is a much more drought tolerant version of our locally native Vancouveria hexandra. This yellow flowered form tolerates extreme dry shade and colonizes even compacted dry soils to create a handsome ground cover. The delicate looking interestingly shaped leaves create a soft mound of leaves, belying its tough disposition. Mostly evergreen if temperatures stay above about 15ºF. In late spring wiry winding tall stems support small nodding yellow flowers. Basically this is our version of Epimedium but with more tolerance for summer drought. To 8″ tall and spreading to several feet wide in richer, moisture retentive soil. Light summer water increases growth. Part shade to full shade. Oregon native plant.

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Woodwardia unigemmata

Relatively new fern with a great future ahead. Large growing evergreen chain fern from Asia with new growth lavishly dyed red- it settles to soft green with time. To 3′ across the fronds are held atop relatively long stems. The rubbery green leaves are finely divided with surprisingly soft lobes. Rich, moisture retentive soil in bright shade to shade. Spectacular plant at all times we have observed it. So far it has not suffered damage in my garden below 10ºF and appearance following a rough winter was good. Highly deer resistant. Spectacular.

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Plant type: ,  |  Sun exposure: ,
Biome: , ,  |  USDA Hardiness zone: Zn7a 5º to 0ºF
Foliage color: ,  |  Foliage season: