Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Astragalus

Species:

Astragalus tweedyi

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

2-3 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

mar, apr, may, jun, jul, aug

Bloom Colors:

cream, white

Native Range

United States: Oregon, Washington

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:

gravelly, 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 rocky slopes and open areas

Germination Information