Sesleria autumnalis ‘Campo de Azul’

An autumn moor grass with distinctive differences. Very blue upright, stiff foliage forms a large expanding clump. In mid summer through autumn (and beyond) 18″ straight vertical stems support gray/black flowers frosted with light yellow pollen. Excellent appearance year round for an evergreen grass to 1′ tall and 2′ wide in several seasons. Well drained average to enriched soil. Light, consistent summer water in full sun. Excellent massed, plant on 2′ centers. Flowers slowly decay over winter and spent stems may be cut away. Refrain from cutting this plant back to the ground. Winter damage will be covered quickly by new growth in late winter to early spring. Establishes quickly. Cold hardy below 0ºF. Native to Italy/Croatia- its adapted well to a summer dry climate. Nice looking grass.

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Sesleria autumnalis ‘Campo Verde’

Crazy cool grass that is handsome year round- not entering dormancy in winter and they bloom on compact plants for several months. This mediterranean native grass forms lose but not unkempt bunches of arching evergreen foliage. The floral spikes rise another several inches above the foliage for a complicated texture. Full sun, well drained soil, little water once established. To 14″ tall and 20″ wide. 1′ tall in bloom. Very drought tolerant and does not really go through a down time remaining the same aesthetically all year. Accepts regular irrigation with excellent drainage.

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Sidalcea asprella ssp. elegans ‘Josephine’

Beautiful Oregon Native Checker mallow that has handsome deep green glossy scalloped leaves and for all of summer a continuous supply of long stems clad in rows of cup shaped pink flowers. Adapted to heavy soils that dry out completely. But improves greatly under cultivation. Flowering stems stretch horizontally and wind their way through neighboring plants. Cute cut flower. Excellent in borders or no water landscapes alike. To 18″ tall in bloom and spreading to about 3′ wide. Long lived and easy to grow. Native to western Oregon. Our selection of a deep pink and prolific bloomer. One of the naturally longest blooming varieties that can remain in bloom for months. Excellent perennial for drawing butterflies. The long stems of cup shaped luminous pink flowers work well as cut flowers. Light summer water and rich soil prolong its performance. Palmate leaves are glossy and good looking.  Oregon native plant.

Xera Plants Introduction

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Sidalcea campestris

The Willamette Valley is the center of the Sidalcea universe. Willamette 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″-36″  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 (Dodecatheon hendersonii). 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. This species and several others have a natural range that is defined by the Willamette Valley. Its a special member of the Valley biome. Common associates in the wild are Rosa nutkana var, nutkana as well as Lupinus of various kinds.  Good cut flower. Winter deciduous Long lived perennial. Very important for native butterflies. Its a host plant for gray hairstreaks and a nectar source for Fendler’s Blue butterfly.  Oregon native plant.

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Sidalcea malvaflora ssp. virgata

Rose checker mallow is one the showiest summer perennials native to the western part of the state. This ‘wild hollyhock’ decorates meadows and swales from slightly south of Portland to the Rogue Valley in SW Oregon. A low rosette of mallow-esque leaves are glossy. The tall straight 16″ spires of densely arranged hot pink flowers wave in the early summer breeze.(Blooms May-July)  A great cut flower this obvious mallow relative is among our natives that improves under cultivation. And it is rust resistant. Double dig a wide hole to incorporate oxygen in the soil add a handful of all purpose organic fertilizer into the hole and mix with the existing soil. Water regularly and deeply for the first few months. Allow the ground to dry some between irrigation Loved by butterflies and pollinators and actually one of the host plants for the endangered Willamette Valley ‘Fendler’s Blue’ butterfly. Continuously irrigated plants will have successive flushes of bloom. For native rainfall only plants the show is a little shorter. Long lived, resents disturbance. Excellent with Iris tenax, Penstemon kunthii and all Achilleas. Native to clay soils that dry in summer. Oregon native plant. 

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Silene alpestris ‘Flore Pleno’

I love the crisp detailed pure white flowers that float like little pieces of perfect oragami on 6″ stems. Forms continuous evergreen patches in well drained soil with light summer irrigation. Full sun to very light shade. Incredibly long bloom season, March to November. And sometimes longer. Excellent in rock gardens, as a trough plant, or container plant in general. Hardy and easy to grow. Makes a precious delicate cut flower. So white. So, crisp and white. Not tolerant of shade. Excellent long blooming small scale ground cover to line paths, create a pool of crisp white flowers. Europe.

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Hooker’s Catchfly is a great Oregon native perennial that is one of the showiest in this genus. Native to dry woods and plains but never common this low spreading perennial produces large pink flowers in late spring to early summer. The nearly 1″ wide frilly flowers are produces on a diminutive plant that spreads. To 4″ tall and forming a mat about 1.5′ wide. Full sun to very light shade (deciduous shade) in average to slightly enriched soils that drain. Adaptable to clay soils on a slope. Water weekly after planting for the first season then none is necessary in subsequent years. Excellent small perennial that is ideal in a trough where you can view the beautiful large flowers up close. Best in rock garden conditions or in a meadow habitat in the ground.  Naturally adapted to life between clumping grasses. The slightly cupped leaves are large and encrusted in fine hairs. Native from just south of Portland to northern California. It was once much more widespread in the Willamette Valley. This range has been greatly diminished.  Beautiful native perennial. Often left alone by deer. Oregon native plant.

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Sisyrinchium idahoense var. idahoense

Idaho blue eyed grass is a widespread perennial that forms colonies in full sun, in many soil types, including vernally wet sites. To 18″ tall dark purple flowers open in bright light and close with cloudiness or dark. The blue green foliage is distinctively flat and the plant produces a procession of flowers for 2-3 weeks.  Deep purple with a yellow eye and about 1/2″ wide. An integral part of a Willamette valley meadow and only adaptable to full all day sun. Spreads by seed and  colonies that increase to form a slender clump.  Excellent pollinator perennial and is visited by a wide variety of insects.  Found in field that have not been invaded by invasives. Typically its found between native clumping grasses such as June Grass (Koeleria macrantha) Roemer’s Fescue (Festuca roemeri).and with other perennials of the meadow. It can be found from riparian to upland sites. Common associated plants are Carex tumulicola, Dodecatheon hendersonii, Ranunculus occidentalis, Dichelostemma congesta, Clarkia amoena, Camassia, ( C. quamash, leichtlinii ). Full sun, no shade. Water to establish the first season then none in subsequent year. Goes summer dormant and will awaken the following February. Oregon native plant

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Solanum crispum ‘Glasnevin’

Purple Chilean Potato Vine is a flowering powerhouse. It may be grown as a free standing shrub but its true habit lends it to the treatment of a vine. Fast growing huge canes soar up and then over all the while branching. At the tips dramatic deep purple/blue clusters of flowers each with a yellow central “Beak”. The effect is reminiscent of a hydrangea in form.- and flowers obscure the foliage for the first two months in bloom. To 12′ tall in short order and then larger.  Allowed to scale a sufficient tree it can clamber up to 20′ tall in no time. Blooms April to October. Large flush of flowers in late spring then sporadic clusters to autumn. Semi-evergreen to deciduous. Blooms on wood from the current season prune before or after blooming. Regular summer water extends the bloom time well into autumn. Sometimes forms yellow berries- not particularly showy but not messy. Full sun to part shade in rich, well drained soil with light summer water. Hardy to 5ºF and not below. Long bloom time makes it an excellent pollinator plant. VERY showy in bloom.

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Solanum pyracanthum

My half hardy perennial can kick your perennials ass. And this spiky creature is a damned fine plant. Large lobed leaves are fiercely armed with bright orange spikes down the midrib. Violent orange spikes also cover every stem and virtually glow when backlit. All summer long this large tender plant (to 3′ x 2′) bears large solanaceous 5 petalled purple flowers with a central orange beak. The overall effect is beyond charming, its a fierce plant with attitude and we adore it. Great in containers but mind that this sucker does have a bite, locate away from traffic.  Very fun to grow in the ground as well. Hardy to the low 20’s and sometimes makes it through a mild winter. Orange fruits follow the flowers but are not assured. One of the amazing plants native to Madagascar. Full sun and rich soil with regular water. Basically grow it just like a tomato. Highly deer resistant.

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