California Wildrose
Rosa californica
Copyright by Curtis Clark, licensed as noted
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rosa
- Species:
- Rosa californica
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub
- Height:
- 8-12 ft
- Light Requirements:
- Full Sun, Part Shade, Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may, jun, jul, aug
- Bloom Colors:
- Pink
- Landscaping Shrub:
- Yes
Native Range
United States: California, Oregon
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
red-edged acleris moth (Acleris albicomana), Robinson's acleris moth (Acleris robinsoniana)
Reported Fauna Sightings
Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus), Yellow bumble bee (Bombus fervidus), Yellow bumble bee (Bombus fervidus), Yellow-faced bumble bee (Bombus vosnesenskii), Yellow-faced bumble bee (Bombus vosnesenskii)
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to riparian areas and moist habitats
Germination Information
Pre-treatment: Soak clean seeds overnight in fresh water. Stratify in refrigerator at 40F for 3 months.
Source: npn.rngr.net