Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Astragalus

Species:

Astragalus loanus

USDA Symbol:

ASLO2

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

30 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun,jul

Bloom Colors:

purple, white

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Pollen Specialist Bee Keystone:

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

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

butterflies, small mammals

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Benefits from occasional fire to reduce competition in its prairie habitat.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 8.0 (neutral to slightly alkaline)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid regions with sparse vegetation

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–30 days

Notes:

Seeds require scarification (nicking or hot water) followed by cold stratification for 30-60 days.