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Physocarpus capitatus (Pursh) Kuntze
USDA Symbol: PHCA11
USDA Native Status: Native to U.S.
Pacific ninebark is a 3-8 ft., vase-shaped, deciduous shrub with exfoliating bark and foliage resembling small grape or currant leaves. Tiny, white flowers occur in 3-5 in. wide clusters. Fall foliage ranges from intense red to subtle rose-brown.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf:
Green Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: May , Jun , Jul
AK , CA , ID , OR , WA Canada: BC Native Distribution:
AK to CA & ID Native Habitat:
Moist banks & north slopes below 4500 ft. USDA Native Status: L48(N), AK(N), CAN(N)
Growing ConditionsWater Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Moist , Wet
CaCO3 Tolerance: None
Soil Description: Moist to drier soils.
Conditions Comments: Can become drought tolerant.
BenefitConspicuous Flowers: yes
Easy to start from semi-hardwood cuttings with or without hormone treatment. Slow to start from fall-sown seed. Seed Collection:
Ripe fruits can be picked from the shrub
or shaken onto a drop cloth. Commercially Avail:
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Santa Barbara Botanic Garden
- Santa Barbara, CANative Seed Network
- Corvallis, OR
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Record Modified: 2007-01-01
Research By: TWC Staff