Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Astragalus

Species:

Astragalus cyaneus

USDA Symbol:

ASCY

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

30 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

may,jun,jul

Bloom Colors:

blue, purple

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

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:

Resprouts from woody caudex after fire. Benefits from periodic burning in prairie ecosystems which reduces competition from cool-season grasses.

Soil Requirements

Soil Type:

well-drained, sandy or gravelly soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid and semi-arid regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–45 days

Notes:

Scarification followed by cold stratification improves germination. Legume seeds have hard coats requiring mechanical or chemical scarification before cold treatment.

The above propagation data sourced from Claude AI