Rose Spirea
Spiraea douglasii Hook. - Rose family
Size
Mature Height: Up to around 7.0 feet
Planting Distance: 4.0 feet
Plant Type: Shrub
Root Depth: 16 inches
Growth Form: Rhizomatous
Growth Rate: Moderate
Features
Flower Color: Purple
Conspicuous Flowers: Yes
Bloom Time: Mid Summer
Seasonal Growth: Spring and Summer
Evergreen: No
Fall Colors: No
Conditions
Shade Tolerance: Intolerant
Clay Soil Tolerance: No
Sandy Soil Tolerance: Yes
Drought Tolerance: Medium
Flood Tolerance: High
Fire Tolerance: High
Salt Tolerance: None
Ecosystem Interactions
Pollinators: Native Bees; Bombus; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly); Larval Host (Moth)
Larval Species depending on Rose Spirea: Adelphagrotis indeterminata, Alypia langtoni, Egira crucialis, Eulithis xylina, Eupithecia minturata, Hemileuca eglanterina, Limenitis lorquini, Lithophane georgii, Lithophane thaxteri, Lophocampa maculata, Oncocnemis chalybdis, Orthosia praeses, Orthosia revicta, Sabulodes aegrotata, Spiramater lutra, Xylena cineritia
Native Range
- USA: Alaska, California, Colorado, Idaho, Montana, Oregon, Washington
- CAN: British Columbia
State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.