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Picture Common name Scientific name Height Color Flowering Period Light Requirement Moisture Requirement Description
Purple sage - Salvia dorrii Purple sage Salvia dorrii 12-36” purple May - July
Small woody shrub with silvery gray, semi-evergreen, aromatic foliage and abundant blooms.
Wyoming big Sagebrush - Artemisia  tridentata ss. wyomingensis Wyoming big Sagebrush Artemisia tridentata ss. wyomingensis 2-3’ yellow June
Evergreen shrub with strongly aromatic leaves. Essential wildlife plant of the high desert.
Fringed sage - Artemisia frigida Fringed sage Artemisia frigida 4 - 16" green - yellow July - August
Spreading, fragrant shrublet with grayish green, velvety leaves.
Wax currant - Ribes cereum Wax currant Ribes cereum <3' pinkish white April - June
Spreading, erect and rounded deciduous shrub. Urn shaped flowers occur in drooping clusters of 2-8. Numerous bright red berries post flowering.
Antelope bitterbrush - Purshia  tridentata Antelope bitterbrush Purshia tridentata 2-6’ yellow April - July
Evergreen or deciduous shrub with rounded growth form.
Desertspray - Holodiscus dumosus Desertspray Holodiscus dumosus 20-60” white June-August
Deciduous shrub with multiple arching branches. Creamy white flower drooping in clusters. Bronze fall foliage.
Green (yellow) rabbitbrush - Chrysothamnus viscidiflorus Green (yellow) rabbitbrush Chrysothamnus viscidiflorus 1-4’ yellow Late summer
Evergreen to deciduous shrub. Small, sticky, yellow flowers in rounded clusters.
Gray (rubber) rabbitbrush - Chrysothamnus nauseousus Gray (rubber) rabbitbrush Chrysothamnus nauseousus 2-4’ yellow Late summer
Common deciduous shrub of sagebrush –steppe. Attracts butterflies.
Mountain mahogany - Cercocarpus ledifolius Mountain mahogany Cercocarpus ledifolius 3-15’; up to 35’ white May-July
Broadleaf, evergreen shrub to small tree with shiny foliage. Small tubular flowers occur in clusters of 2-3. Feathery plumes on seeds.
Basin big sage - Artemisia tridentata ssp.  tridentata Basin big sage Artemisia tridentata ssp. tridentata 3-6’ yellow June
Evergreen shrub with strongly aromatic leaves. Essential wildlife plant of the high desert.
Serviceberry - Amelanchier  alnifolia Serviceberry Amelanchier alnifolia 6-10’ white April - June
Tall shrub with blue-green foliage in summer and reddish orange in the fall. Purple fruit provides summer wildlife food source.
Blue elderberry - Sambucus cerulea Blue elderberry Sambucus cerulea 10-20’ white May - September
Deciduous shrub or small tree. Abundant, small creamy white flowers in large, conical shaped clusters. Blue berries are edible. Excellent food source for wildlife. Important species in riparian plant communities.
Golden currant - Ribes aureum Golden currant Ribes aureum 3-9’ yellow April - June
Fragrant tubular flowers occur in drooping clusters of 5-10. Yellow to red fall foliage. Dark purple fruit provides summer food source for songbirds and other wildlife.
Red flowering currant - Ribes sanguineum Red flowering currant Ribes sanguineum 3-12’ Red – bright pink May-June
Beautiful tubular flowers occur in drooping cluster of 10-25. Attracts hummingbirds. Berries provide food for wildlife.
Snow currant - Ribes niveum Snow currant Ribes niveum <8’ white spring
Deciduous shrub with edible berry.
Oceanspray - Holodiscus discolor Oceanspray Holodiscus discolor 6-20’ white May-July
Deciduous shrub with arching multi-branched, reddish gray bark. Flowers drooping on 4-7” clusters. Red fall foliage.
Mockorange - Philadelphus  lewisii Mockorange Philadelphus lewisii 3-10’ white late May to early July
Erect, deciduous, spreading shrub. Showy white flowers are fragrant and occur in clusters of 3 to 15. Useful to plant in drier areas of riparian zones.
Twinberry - Lonicera  involucrata Twinberry Lonicera involucrata <9’ yellow summer
Erect, deciduous shrub. Tubular flowers in pairs. Black ‘twin’ berries not edible.
Quaking aspen - Populus  tremuloides Quaking aspen Populus tremuloides 16-50’ May-June
White bark and brilliant, yellow fall foliage. Provides food and habitat for wildlife.
Redosier dogwood - Cornus sericea Redosier dogwood Cornus sericea 4-20’ white June-August
Deciduous shrub. Red to purple bark and twigs provide beautiful winter landscape. White berries provide fall and winter food source for wildlife. Prefers seasonally moist areas.
Pacific ninebark - Physocarpus  capitatus Pacific ninebark Physocarpus capitatus 6-12’ white April - July
Erect, deciduous, spreading shrub with peeling bark. Maple-leaved foliage turns Reddish brown in fall. Rounded clusters of creamy white flowers.
Prickly currant - Ribes  lacustre Prickly currant Ribes lacustre 3-4’ white May-June
Deciduous shrub with prickly stems. Bell-shaped flowers occur in drooping cluster of 5-15.
Stinky currant - Ribes  hudsonianum Stinky currant Ribes hudsonianum <5’ white May - July
Erect deciduous shrub. Flowers growing on up to 6” stalks in clusters of 6-15.
Alpine spirea - Spiraea densiflora Alpine spirea Spiraea densiflora <36” pink June
Deciduous shrub with pink dome-shaped flowers. Found in wet meadows and streams at high elevations.
Woods rose - Rosa woodsii Woods rose Rosa woodsii <5’ pink June - August
Multi-branched deciduous shrub with red stems, prickly on the lower portion. Orange-red rosehips remain throughout winter, providing food source for birds. Prefers moist soil but may be found in drier, open areas. Rhizomatous growth; excellent for stream stabilization or erosion control.
Douglas spirea - Spiraea douglasii Douglas spirea Spiraea douglasii 3-6’ white July
Deciduous shrub with dense, pink elongated flower clusters. Found along marsh edges, wet meadows and streams. Rhizomatous growth; excellent for stream stabilization or erosion control.
White alder - Alnus rhombifolia White alder Alnus rhombifolia 50 - 80’ spring
Deciduous tree with gray bark. Mature trees multi stemmed. Water dependent.
Thin leaf alder - Alnus incana Thin leaf alder Alnus incana 6-15’ spring
Deciduous, multi-stemmed shrub or small tree found in riparian areas of eastern Cascades.
Black cottonwood - Populus  balsamifera ssp. trichocarpa Black cottonwood Populus balsamifera ssp. trichocarpa 100-200’ March - June
Fast growing, large tree with branching trunk. Yellow fall foliage. Aggressive root system supports streambank stabilization.