Spiraea douglasii, commonly known as Douglas’s spirea, is a captivating perennial shrub native to the Pacific Northwest of North America. Displaying a lush, dense growth, this shrub reaches heights of 4 to 6 feet and spreads out with gracefully arching branches clothed in lanceolate, dark green leaves that turn vibrant shades in the fall. During summer, Douglas’s spirea produces an eye-catching display of cone-shaped clusters of pinkish-purple flowers, drawing pollinators like bees and butterflies. The shrub’s erect and dense growth and its striking floral display make it a favorite for naturalistic gardens, wetland restoration projects, and riparian zones.
This hardy plant thrives best in wet environments and frequently grows naturally along streambanks, swamps, and moist meadows. Apart from its aesthetic appeal in landscaping designs, Spiraea douglasii plays a vital role in its ecosystem by stabilizing soil in riparian zones and offering valuable habitat and food sources for various wildlife. Its hardiness and adaptability make it a beneficial addition to gardens, seeking ecological and ornamental value.