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Western Ninebark

Western Ninebark

Physocarpus capitatus

shrub☀️ full sun💧💧 moderate waterZone 3bZone 8b

Western Ninebark is a deciduous shrub native to the Pacific Northwest, valued for its showy clusters of small white to pink flowers and exfoliating cinnamon-colored bark. It tolerates wet soils and performs well in riparian zones, making it useful for erosion control and wildlife habitat.

Overview

Form
Upright
Growth Rate
moderate
Size
4–8′ tall × 4–8′ wide
Dormancy
deciduous

Tolerances & Soil

low
Zone 3bZone 8b
1471013
ColderWarmer
Zone range: Zone 3b to Zone 8b

pH Range

6.57
7.0
3.556.589
pH range: 6.5 to 7

Soil Texture

Coarse, Medium

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

Shrub

Woody multi-stem plants at eye level.

Succession Role

pioneerearly successional

Native to the United States

Native Range

Pacific Northwest North America

Native to: California, Idaho, Oregon, Washington

Function & Care

wildlife benefiterosion controlhedgerowwindbreak
Coppicing

Establishment & Care

Establishment
easy
Maintenance
low
Propagation
seed, cutting, layering, sucker

Notable Cultivars

'Tilden Park' is a popular compact cultivar with deep burgundy foliage; 'Minuet' is a dwarf selection with purple leaves and pink flowers.