Mallow Ninebark

Physocarpus malvaceus (Greene) Kuntze - Rose family

Size

Mature Height: Up to around 15.0 feet

Planting Distance: 6.0 feet

Plant Type: Shrub

Root Depth: 24 inches

Growth Form: Multiple Stem

Growth Rate: Rapid

Features

Flower Color: White

Conspicuous Flowers: Yes

Bloom Time: Late Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: Yes

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: High

Flood Tolerance: Low

Fire Tolerance: High

Salt Tolerance: None

Ecosystem Interactions

Pollinators: Native Bees; Beetles, Wasps, Flies; Butterflies; Larval Host (Moth)

Larval Species depending on Mallow Ninebark: Acleris nivisellana

Native Range

  • CAN:  British Columbia
  • USA:  Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming
Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.