Shrubs and trees

View Only: = Full sun = Partial shade = Shade = Drought Tolerant = Moderate moisture = Wet
Picture	Common name	Scientific name	Height	Color	Flowering Period	Light Requirement	Moisture Requirement	Description
	Thin leaf alder	Alnus incana	6-15’		spring			Deciduous, multi-stemmed shrub or small tree found in riparian areas of eastern Cascades.
	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.
	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.
	Twinberry	Lonicera involucrata	<9’	yellow	summer			Erect, deciduous shrub. Tubular flowers in pairs. Black ‘twin’ berries not edible.
	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.
	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.
	Stinky currant	Ribes hudsonianum	<5’	white	May - July			Erect deciduous shrub. Flowers growing on up to 6” stalks in clusters of 6-15.
	Prickly currant	Ribes lacustre	3-4’	white	May-June			Deciduous shrub with prickly stems. Bell-shaped flowers occur in drooping cluster of 5-15.
	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.
	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.
	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.
	Alpine spirea	Spiraea densiflora	<36”	pink	June			Deciduous shrub with pink dome-shaped flowers. Found in wet meadows and streams at high elevations.
	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.