Physocarpus Species, Pacific Ninebark, Western Ninebark

Physocarpuscapitatus

Family
Rosaceae (ro-ZAY-see-ee)
Genus
Physocarpus (fy-so-KAR-pus)
Species
capitatus (kap-ih-TAY-tus)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Provides Winter Interest
Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Spacing
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Bloom Color
Pale Pink
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From hardwood cuttings
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Eugene, Oregon

Grants Pass, Oregon

Portland, Oregon

Seattle, Washington

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Gardener's Notes:

2
positives
0
neutral
0
negative
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M
Eugene, OR | November 2013 | positive

Pacific Ninebark is a nice versatile shrub. The white flowers and reddish seed pods are not the showiest, but it has nice currant-like l...Read More

A
Seattle, WA | May 2009 | positive

I've planted a bunch of these as part of our native plant revegetation project and they have held their own, growing slowly, adapting to ...Read More

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