Western Cowbane
Oxypolis occidentalis
- Native to:
- Canada, United States
Patrick Alexander (www.flickr.com) from Las Cruces, NM
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apiaceae
- Genus:
- Oxypolis
- Species:
- Oxypolis occidentalis
- USDA Symbol:
- OXOC
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, native bees, beneficial insects
Soil Requirements
- Soil Type:
- rich, moist, well-drained soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in wetlands and marshy areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require cold-moist stratification and consistent moisture for germination.
The above propagation data sourced from Claude AI