Thickpod Milkvetch

Astragalus pachypus

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Astragalus
Species:
Astragalus pachypus
USDA Symbol:
ASPA9

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar,apr,may
Bloom Colors:
yellow, cream

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 root crown following fire; typical of chaparral and coastal sage scrub associates adapted to periodic fire regimes.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal scrub and chaparral habitats

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–42 days
Notes:
Scarification of the hard seed coat significantly improves germination rates. Seeds may benefit from soaking in warm water prior to sowing.

The above propagation data sourced from Claude AI