western mountain ash
Sorbus sitchensis

USDA zones5 to 9
SunHandles full sun to full shade
WaterNeeds moist soil
Size8 inches to 12 feet tall5 to 8 feet wide
- Bloom season
- Spring, summer
- Bloom color
- White
Attracts
Notes
Western mountain ash (Sorbus sitchensis) is a shrub for native plant gardens, woodland edges, and bird gardens. It is hardy to USDA zone 5, or down to -20°F (-29°C). This plant likes full sun to full shade and moist soil. Small white flowers open in flat-topped clusters in spring and summer. Clusters of reddish-orange berries stay on the plant into winter and feed birds. Fall leaves turn yellow to bronzy-red.
Pairs well with Western hemlock, Duke blueberry, and Aureola Japanese forest grass.
Native range
AK, CA, ID, MT, and 2 more places. See all 6
AK, CA, ID, MT, OR, and WA; BC.