Spiraea douglasii Rosaceae
Douglas Spirea, Western Spirea, Hardhack
- Deciduous shrub, erect, 3-7 ft (1-2 m), compact, freely suckering, branches slender and brown. Leaves alternate, simple, oblong, 4-10 x 1-2.5 cm, base entire, irregular serrate or toothed above the middle, dark green glabrous above, whitish beneath. Flowers deep pink, crowded in fragrant clusters (panicles) 5-30 cm long, pyramidal to oblong, appearing powdery from the minute projecting stamens.
- Sun. Does well in wet areas. Retains brown seed heads.
- Hardy to USDA Zone 5 Native range from Oregon to Alaska, found in marsh borders, stream banks, and wet meadows, sometimes found in drier situations.
- Oregon State Univ. campus: Hort Garden, south of the walk to Cordley, near the service road.