Wetherill's Milkvetch
Astragalus wetherillii
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Astragalus
- Species:
- Astragalus wetherillii
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- Less than 6 in
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jul
- Bloom Colors:
- white, yellow
- Ground Cover:
- Yes
Native Range
United States: Colorado, Utah
Keystone Species Ranking
- Bee Keystone:
- ★★★☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Soil Requirements
- Soil Type:
- rocky, well-drained, calcareous soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and open areas
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Source: OpenAI GPT-4o