Sentry Milkvetch

Astragalus cremnophylax

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Astragalus
Species:
Astragalus cremnophylax
USDA Symbol:
ASCR3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
10 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
purple, pink

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained limestone soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
grows in crevices of limestone cliffs

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 treatment) followed by cold stratification for 30-60 days.