Mexican Hats are iconic flowers of the southwest american prairies. Slender plants that rise up to 2′ feet with adorable flowers, red petals reflexed around a black prominent cone. The red petals are mostly outlined in yellow. Forgiving wildflower for full sun any well drained soil with regular summer water. Remove spent flowers to spur more- this will keep it in continuous bloom. Cute cut flower and the little flowers really do look like sombreros. Winter deciduous. Will often self sow in open disturbed soils.
Biome: Western Native
Native is a relative term. Plants don’t follow political boundaries and in fact they cluster and move according to climate and to a lesser extent soils. Turns out for instance, that the climate of Portland is not too dissimilar from the middle elevations of the Sierra Nevada in California. And as the planet waxes and wanes through ice ages you’d be amazed at the distance plants migrate due to climate. In fact, if you went back in time 11,000 years ago at the end of the last ice age the taxa composition of the Portland area was identical to what you currently find on the upper slopes of Mt. Hood at 6,000′. Cold, snow, montane with Mountain Hemlock, Engelmann Spruce, Lodgepole pine and Aspen. In reality plants are always on the move.
Between ice ages- the last interstadial
More relevant is our most recent interstadial, the warm period between ice ages that peaked around 6500 years ago. Ice ages are broadly caused by the obliquity of the earths orbit (its oblong) and the change in the axis. Serendipitously during the height of this last warm period perihelion (the sun’s closest axis to earth) occurred in the Northern Hemisphere summer increasing solar insolation (sun heat energy). Currently, perihelion occurs in winter (Jan. 5, 2020) over our continent and that somewhat cancels out the effect. This increased solar insolation during the warm interstadial did several things: First, it increased the annual temperatures to those we have only surpassed recently and it decreased precipitation and increased the length of the annual summer drought. During these warm periods there is a great shift in south to north flora movement. At the peak of the interstadial warm period the Eugene area most likely had a climate and flora composition of the Grants Pass area today. Portland likely had a climate and taxa somewhat similar to modern Roseburg. That would be a lot more Oaks and Madrone and much less Maple and Douglas Fir. This passage to the north of flora extends poleward and it is also during this period we see the intrusion of Pacific Madrone Arbutus menziesii and Quercus garryana Oregon white oak into British Columbia. Climate change is mimicking our warm interstadial so far. Species from the south are rapidly moving north- and faster all the time.
Broadening the description
So, we choose to list WESTERN NATIVES and not just Oregon Natives in one category. We should always include natives in our gardens. They are not only climate adapted, they give our gardens a regional identity and most importantly they support indigenous fauna. Climate change adds complexity to the mix. Our planet will be heating up too fast for plants to migrate. That means that many will find the safest homes in our gardens. We seek out the most unusual natives. Our attempt to expand the palette rather than the six same species that are used (abused) over and over. By all means go native!
Climate Adapted Plants for Gardeners in the PNW
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.
Ribes divaricatum
Coast gooseberry or black gooseberry is an intricately branched native deciduous shrub that is incredibly important to wildlife as well as pollinators. Mounding and spreading with fine and prickly needles housed at each node. The maple shaped leaves have a fine skunk aroma up close. To 4′ x 6′ in the extreme this moderately fast growing plant is best in full sun but can handle quite a bit of shade-especially deciduous shade. This species is never common and its found mainly west of the Cascades The small pendulous flower feature red petals surrounding a white corolla. These morph into prickly sour fruits whose final color ripens to black. Fall color is soft yellow to orange and brief. Light consistent summer water in a average to enriched, well drained soil. The berries are edible but intensely sour and make fine food for a wide range of cool birds. Native to the Portland city limits. Excellent shrub for remediation of wild sites. This pretty shrub makes a great transitional plant for wild areas and has a wild look itself. Blooms on wood from the previous season. Prune if needed AFTER flowering. Oregon native plant
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. A summer deciduous shrub to 8′ x 5′ in 7 years. Leaves drop completely by September and then re leaf as fall rains progress. 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.
Sierra gooseberry or sticky gooseberry is a pretty if prickly native deciduous shrub for rough areas. Charming in bloom , the 1/2″ pendant flowers have sepals that are reflexed and red around a pendant white corolla. After opening they both change to light red and remain showy for several weeks. They line zig zagging stems with three thorns at each node. That means you must site this 7′ tall by 4′ wide arching plant carefully. The flowers are pretty viewed up close and turn into prickly translucent green/red drupes. These are eaten by a huge variety of wildlife and especially smaller birds. Often the shrub will be completely stripped of berries by the time the soft orange fall color appears. Native from the Cascades of Marion county south throughout inland California down to San Diego county CA. Its most often found in dry gravelly areas on slopes in full sun to deep woods where its habit is more restrained and open. Blooms appear in mid spring. Water lightly to establish the first summer then only what falls from the sky in subsequent years. Adaptable to dry shade if it is not completely dark. Moderate deer resistance. Very similar to another native Gooseberry Ribes lobbii which is discrete in its dull non sticky leaves. Wonderful native shrub.Rarely seen in habitat below 1000′. Oregon native plant
Ribes sanguineum ‘Oregon Snowflake’
Excellent improved form of the already popular white flowered Flowering Currant. This form sports foliage that is deeply divided- very pretty- and a more dense and compact habit. Its an incredibly heavy blooming form that has great garden application. To 4′ x 5′ in 7 years with a rounded mounded habit. In late February- April pendant clusters of pure white flowers glow in the early spring sunlight. The buds emerge chartreuse and then become pure sparkling white. This was bred and selected at OSU. And so far has been rare on the market. Full sun to quite a bit of shade with light consistent summer water to establish. Then- it can survive on all that falls from the sky. Takes light irrigation in gardens but never soggy and never soggy during hot weather. Fall color is yellow/orange and brief. Sour fruits are dusky blue in summer. Moderate deer resistance. Derivative of an Oregon native plant. PPAF.
Ribes sanguineum ‘Xera’s Lime Punch’
As luck would have it this lime/chartreuse foliaged variant of our locally native and cherished flowering currant appeared at our nursery. We’ve grown it for years now and it is so much tougher and more reliable than the closely related R. s. ‘Brocklebankii’. Which seems like such a great idea but that most people kill. This is an easier to grow more robust plant. Hot pink flowers contrast in a great way with the lime colored vivid foliage. To 8′ tall and 4′ wide in 7 years. Part shade and regular water to establish the first year then none in subsequent years. Adaptable to many types of soils. Will not burn in full sun but isn’t as happy. Add pep to wild areas. Brighten up shady environs. Blue,very sour fruits appear in early summer. Grows quickly to its ultimate size. Moderate deer resistance. This is a wonderful shrub. (Big pride). Oregon native plant.
Xera Plants Introduction
Ribes sanguineum ssp. sanguineum
Flowering Currant. One of the most conspicuous flowering shrubs over the western half of Oregon. From extreme Southwest BC to northern California. .This v shaped and arching shrub protrudes from highway plantings like a chandelier of pink flowers. Each chain of flowers is a slightly different shade of pink to white on this batch of seedlings. To 9′ x 9′ forming somewhat open shade. Blooms on old wood, prune if needed AFTER flowering has ended in late spring. Fall color ranges from pink to orange and quite often yellow. We had several shrubs of this plant on the property where I grew up. We randomly harvested the branches for cut flowers for almost two generations and none of the plants suffered. They were wild plants and as good as any named variety. Blooms March to April and then maple shaped leaves unfurl and are a quilted nice texture. Full sun to quite a bit of shade at the expense of flowering. Dusty blue fruits cascade in chains as the leaves drop in fall. These are immensely sour fruits. Best on hillsides poking through the rest of the underbrush. Flowers which have a slight skunk funk force easily if brought inside. One of Oregons greatest native flowering shrubs. Moderate deer resistance. Water to establish then only occasionally. Oregon native plant.
Ribes speciosum
Fuchsia flowering gooseberry is a fantastic shrub for dry shade. Heavily armed arching stems produce rows of pendant blood red flowers beginning in December and continuing to early spring. Retains leaves in winter – loses them in heat and drought. Little to no water once established. Best in part shade with good drainage. The millions of little red flowers are irresistible to over wintering Anna’s hummingbirds. Locate away from paths…the thorns on this California native shrub have a bite. To 5′ x 6′ in 7 years. Dramatic in bloom which lasts for months. Tough and beautiful. From an understory chapparel shrub in central California to a common component of that community in the south. Remember that it will go drastically deciduous in mid summer. It looks bad but this is temporary. As with many dry/mediterranean climate adapted shrubs it has a reverse dormancy. Fresh green and blooming during the cool wet season and deciduous and resting to wait out the heat. Prone to growing low and spreading at first then it sends up large vertical whips.
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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