Physocarpus Species, Atlantic Ninebark, Common Ninebark, Eastern Ninebark
Physocarpusopulifolius

Family: Rosaceae (ro-ZAY-see-ee)
Genus: Physocarpus (fy-so-KAR-pus)
Species: opulifolius (op-yoo-lih-FOH-lee-us)

Synonym:Opulaster alabamensis

Synonym:Opulaster australis

Synonym:Physocarpus glabra

Synonym:Physocarpus riparius

Synonym:Spiraea opulifolia

Category
Shrubs

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Sun to Partial Shade

Foliage
Deciduous
Provides Winter Interest

Foliage Color

Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

Spacing
4-6 ft. (1.2-1.8 m)

Hardiness
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
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)

Where to Grow

Danger
Parts of plant are poisonous if ingested

Bloom Color
Pale Pink
White/Near White

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
From hardwood cuttings

Seed Collecting