Mallow Ninebark

Physocarpus malvaceus

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Physocarpus
Species:
Physocarpus malvaceus

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
6-8 ft
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
jun, jul
Bloom Colors:
White
Landscaping Shrub:
Yes

Native Range

United States: Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia

Keystone Species Ranking

Caterpillar Keystone:
★★★☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

snowy-shouldered leafroller (Acleris nivisellana)

Reported Fauna Sightings

Bees: Fuzzy-horned bumble bee (Bombus mixtus), Fuzzy-horned bumble bee (Bombus mixtus)

Soil Requirements

Soil Type:
well-drained, rocky or sandy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in open, dry forest areas