Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Astragalus

Species:

Astragalus bisulcatus var. bisulcatus

Growth Characteristics

Growth Habit:

Forb/herb

Height:

90 cm

Drought Tolerance:

High

Bloom Months:

may,jun,jul,aug

Bloom Colors:

purple, lavender

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 fire and often increases in abundance following disturbance. Resprouts from root crown after top growth removal.

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:

Seed coat scarification improves germination rates. May also benefit from inoculation with appropriate Rhizobium bacteria for nitrogen fixation.

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