MINIMARGE! This is a dwarf form of Banksia marginata that has been cold hardy in the Portland area. The key to cold hardiness is to establish the plant well. Unlike other members of the Proteaceae this small shrub likes the soil a bit richer, but that drains well. You can even add a small amount of compost when planting but nothing other than that. Water it until you see good new growth then taper off to once every two weeks. Full sun, in a warm, protected location. A south facing slope with protection from east wind is ideal. To 3′ x 3′ in 7 years. On older wood 4″ tall yellow cones are produced as flowers from spring to autumn. Protect young plants from severe cold. Very good performance on the Oregon coast. In time it will form a small lignotuber. A swollen woody base with dormant buds. It may then be cut back fairly hard and re-growth will commence. Avoid crowding this plant with others. Open and happy is how it likes to be. Great plant for a large rock garden. Hummingbirds adore the spectacular long lasting flowers. Foliage is deep green with an underside of silver and forms winding stems- never tidy. A plant for collectors primarily. This is not a plant for beginners. Heh. Avoid all fertilizers. Limited supply.

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Berberis darwinii

Darwin’s Barberry is probably one of the showiest barberries in bloom and has excellent performance in Western Oregon. Deep green, glossy, prickily small leaves clothe the frame of this dense and arching shrub. In March/April the whole plant is alight in chains of vivid orange/yellow pendant small flowers. They come in such abundance as to obscure the foliage. By summer those that found a pollinator transform into blue berries covered in a light powdery bloom. Full sun to very light shade in virtually any soil that does not experience standing water. This Chilean native loves our similar maritime climate and is supremely tolerant of summer drought as well. Typically grows to 4′ x 6′ moderately fast. High deer resistance. Locate out of the path of subfreezing wind (east wind) in Portland as it can burn the foliage in severe arctic events. Recovers quickly.

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Berberis x lologensis

Very cool, rare evergreen barberry hybrid that is naturally occurring in the far southern Andes of Chile/Argentina. Apparently where B. darwinii and B. linearis grow together you can get this lovely huge  evergreen flowering shrub. In early spring the arching stems are lined with pendant flowers that arrive as bright red buds and open to hot orange- both colors are present on the flowers which have the fragrance up close of coconut oil. Large growing arching shrub with kind of a wonky habit. Site it where you can spot the vivid flowers in March and then let this spiny creature fade into the background for the rest of the year. Completely drought adapted but will also take regular water. Virtually any soil apart from standing water. Perfectly hardy to cold. High deer resistance. Very difficult to propagate so we only have this fast growing handsome shrub on occasion. But no one else grows it so we list it. Long lived.

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Brachyglottis greyi

Excellent grey leaved evergreen low shrub for hot and sunny sites. To 3′ x 4′. Foliage is grey on the top of the rounded leaves with a distinct white undersides. In summer clusters of brilliant yellow daisies are showy and provide excellent contrast. Best in poor to average well drained soils – accepts clay soils with little summer water. Very drought tolerant. Best in the mildest gardens. Dry hillsides, shrub borders, hot aspects. Little to light summer water. Good deer resistance. Cold hardy to about 10ºF or a little lower if soil is strictly un-amended and summer water is sparse- neglect leads to a hardier plant in the long run. New Zealand. Excellent performance at the oregon coast.

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Brachyglottis monroi

Fun small shrub that we love for its wavy (undulate) gray foliage and compact habit. Evergreen shrub to 3′ x 3′ moderately fast. In summer it is topped by clusters of electric yellow daisies- nice contrast with the gray foliage. Full sun and well drained soil with light to little summer water once established. Avoid exposure to subfreezing east winds- site on a south or west facing aspect if you are in the wind zone. Excellent performance on hot dry slopes. Moderate deer resistance. Great at the Oregon Coast. Evergreen. New Zealand.

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Bupleurum fruticosum

A subtle but very sophisticated hardy evergreen shrub that is found in all the best gardens. Shiny sea-green leaves are reminiscent of a Euphorbia and are handsome year round. In summer long stems sport umbels of chartreuse green flowers gives away its familial affinity to Dill. Tough  shrub that is adaptable to all but boggy soils. To 6’ tall and as wide in several years. Blooms on new wood, may be hard pruned in early spring nearly to the ground to refresh and resize. Re-growth is rapid. Equally tolerant of drought and regular irrigation. A great plant that instantly makes a planting look sophisticated. Excellent with Lavenders  and Russian sage. An irresistible pollinator plant that will be covered in multitudes of insects while in bloom. Very easy to grow.

 

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Buxus sempervirens ‘Graham Blandy’

Hard to find but so useful columnar boxwood. Graham becomes a 10″ wide pillar up to 6′ tall or taller within a decade. Very easy to keep it much smaller. Prune reliably to retain a tidy demeanor. Deep green foliage is thick and handsome year round. Average soil, light summer water. Full sun to full shade- no difference in performance. Very cold hardy. Grows 6″ a  year.

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Buxus sinica ‘Sunburst’

Useful and pretty and so tough this is a yellow variegated form of Korean Boxwood and its a fantastic dwarf shrub. To just 2′ x 2′ in 7 years this slow growing evergreen shrub is ideal as a hedge or trim it into a crazy shape and make a focal point. Adaptable to full hot sun to part shade. Great in winter containers. Hardy way below 0ºF. A good shrub or hedge in cold gardens or areas blasted by subfreezing east wind. Very good deer resistance. Light summer water in rich, well drained soil. Avoid crowding/shading from other plants in too close of proximity. Easy to grow- good looks year round. For a hedge plant on 2′ centers.

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Caesalpinia gilliesii (Erythrostemon 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. Non-blooming youngsters may need a year or two in the ground to commence blooming heavily. Patience is all that is required. This shrub loves the hottest spot in the garden. Pick a place that would be unbearable on a hot day and you’ve found the home for this sun lover. Bipinnate leaves close with darkness. Each flower opens for just one day but a procession of buds releases them over a period of many weeks. Blooms on new wood, growth from the current season.

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Callistemon ‘Wetland’s Challenged Mutant’

A great great introduction from the Sequim, WA nursery Desert Northwest. Incredibly showy in bloom this easy to grow shrub produces 4″ long 1″ thick  soft yellow  (Moonlight is an apt description)colored brushes in late spring and early summer. Moderately fast growing shrub to 7′ tall and 3′ wide in 6 years. The pretty, fine foliage is an exceptional ochre green and contrasts beautifully with the light taupe colored bark.This is an exceptional shrub out of bloom as well and has a very upright, tidy habit for this genus. From a distance a mature shrub appears like a Podocarpus. Full sun and average to rich soil with light but consistent summer water. Drought adapted. Considering the size of the brushes this is an exceptionally hardy Callistemon taking 5ºF when established. If there is any confusion about which species this appears to be- the foliage is unlike C. pityoides but the large brushes are dense and fragrant just like that species. A hybrid is likely. This very upright shrub would make a fantastic informal hedge/screen with minimal pruning. Great shrub, thanks Ian.

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