Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Astragalus

Species:

Astragalus eucosmus

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

1-2 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

mar, apr, may, jun, jul, aug

Bloom Colors:

Purple

Ground Cover:

Yes

Native Range

United States: Alaska, Colorado, Idaho, Maine, Montana, Oregon, Washington, Wyoming, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec, Saskatchewan, Yukon

Keystone Species Ranking

Bee Keystone:

★★★☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Host Plant for Caterpillars

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid regions; prefers open, sunny areas