Pacific Ninebark
Physocarpus capitatus

A fast, arching streamside shrub with rounded white flower clusters, reddish seed heads, and peeling, layered bark. Excellent for stabilizing wet banks and rain gardens. Contains cyanogenic glycosides; traditionally used as an emetic (to induce vomiting), not as food.
- Family
- Rosaceae
- Type
- shrub
- Lifespan
- perennial
- Height
- 8–8 ft
- Spacing
- 5–10 ft apart
- Light
- sun, part shade
- Soil moisture
- moist
- Soil pH
- neutral
- Bloom
- May, June, July
- Bloom colors
- white
- Wildlife value
- pollinators, butterflies, songbirds, larval host
- Caterpillar hosts
- ~41 butterfly & moth species
- Landscape uses
- specimen, hedge or screen, foundation
- Native states
- AK, CA, ID, OR, WA
Related native plants
More Physocarpus species
- Common Ninebark (Physocarpus opulifolius)
- Mallow Ninebark (Physocarpus malvaceus)
- Mountain Ninebark (Physocarpus monogynus)