Rose spirea

Quick look

Spiraea douglasii is a species of flowering plant in the rose family. Common names include hardhack, hardhack steeplebush, Douglas' spirea, douglasspirea, steeplebush, and rose spirea. It is native to western North America and is an invasive species in other locales.

• It belongs to the Rosaceae family. ^iNaturalist
• USDA PLANTS describes it as a shrub with a perennial life cycle. ^{USDA PLANTS}
• USDA PLANTS lists it as native in the lower 48 states and records it in 9 states. ^{USDA PLANTS}
• NatureServe lists it as native to Oregon and Washington. ^NatureServe
• In Oregon, most iNaturalist sightings of it in flower come in June–September. ^iNaturalist
• In Washington, most iNaturalist sightings of it in flower come in June–August. ^iNaturalist
• USDA PLANTS lists its flower color as purple. ^{USDA PLANTS}
• USDA PLANTS gives its bloom period as mid summer. ^{USDA PLANTS}
• USDA PLANTS lists a mature height of about 6 ft. ^{USDA PLANTS}
• iNaturalist has 4,563 research-grade sightings of it in Oregon, ranking #29 among the 110 flowers on our Oregon list. ^iNaturalist
• iNaturalist has 4,279 research-grade sightings of it in Washington, ranking #35 among the 110 flowers on our Washington list. ^iNaturalist