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