Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Astragalus

Species:

Astragalus siliquosus subsp. siliquosus

Growth Characteristics

Growth Habit:

Forb/herb

Height:

60 cm

Drought Tolerance:

Medium

Bloom Months:

may,jun,jul

Bloom Colors:

purple, white

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★★★☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, native pollinators

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Tolerates periodic fire and can resprout from root crown. Benefits from fire in sagebrush-steppe ecosystems by reducing woody competition.

Source: Claude claude-sonnet-4-5-20250929 Batch

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–30 days

Notes:

Scarification followed by cold stratification improves germination rates. Seeds have hard coats typical of legumes.

Source: Claude claude-sonnet-4-5-20250929 Batch