Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Astragalus

Species:

Astragalus bourgaeanus

USDA Symbol:

ASBO11

Growth Characteristics

Height:

30 cm

Drought Tolerance:

High

Bloom Months:

apr,may,jun

Bloom Colors:

yellow

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

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, prefers open, sunny locations

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–45 days

Notes:

Hard seed coat typical of Astragalus requires scarification or hot water treatment; cold stratification improves germination rates.

The above propagation data sourced from Claude AI