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Physocarpus capitatus (Pursh) Kuntze
Synonym(s): Physocarpus opulifolius var. tomentellus
USDA Symbol: PHCA11
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
, WA Canada: BC Native Distribution: AK
& ID Native Habitat:
Moist banks & north slopes below 4500 ft.
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:
National Wetland Indicator Status
|Status:|| FAC || FACW || FACW |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
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
Record Last Modified: 2007-01-01
Research By: TWC Staff