Mt. Diablo Milkvetch

Astragalus oxyphysus

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Astragalus
Species:
Astragalus oxyphysus

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr, jun
Bloom Colors:
pink, white

Native Range

United States: California

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:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions, prefers open spaces