Astragalus amphioxys var. vespertinus

Astragalus amphioxys var. vespertinus

Native to:
United States | AZ, CO, NM, UT

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Astragalus
Species:
Astragalus amphioxys var. vespertinus

Growth Characteristics

Growth Habit:
Forb/herb
Height:
30 cm
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
purple, pink, 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

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 improves germination rates. Seeds benefit from cold-moist stratification typical of desert legumes.

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

ORGHPS Germination Guide: Put in deep pot; protect from damping off

Source: Ontario Rock Garden & Hardy Plant Society