Spiraea douglasii
Sold as: Bare Root Plants
Douglas Spirea (Spiraea douglasii), also known as Hardhack or Steeplebush, is best known for its large, pink, pointy clusters of small flowers that bloom from May to July. The flower clusters turn dark in late summer and linger on the plant for months. Douglas Spirea favors open, sunny areas and can tolerate seasonal flooding. It can spread aggressively in moist environments but is better behaved in drier areas.
Classification: Perennial
Key Characteristics: Large clusters of small pink flowers
Light Requirements: Full sun to part shade
Water Requirements: Moist, seasonally wet soil
Ease of Growing: High
Growth Rate: Fast
Bloom Time: May–July
Spreads: By rhizome
Benefits: Wildlife, Rain garden, Pollinators, Beneficial insects, Wildfire resistant, Riparian zones, On Portland Plant List, Hummingbirds
Edible: No
Mature Height: 6 feet
Mature Width: 3–7 feet
