Tennessee Milkvetch

Astragalus tennesseensis

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Astragalus
Species:
Astragalus tennesseensis
USDA Symbol:
ASTE7

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
50 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
Bloom Colors:
cream, white

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:
Cedar glade species adapted to occasional fire; benefits from fire removal of woody encroachment.

Soil Requirements

Soil Type:
rocky, well-drained calcareous soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers limestone outcrops and open glades

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Scarification improves germination rates. Seeds have hard seed coat typical of legumes.

The above propagation data sourced from Claude AI

Pre-treatment: Seeds are scarified and damp stratified by mixing with equal amounts of vermiculite and lightly dampening in a plastic bag or container. Store this seed for 3-4 months in a cold room of 34-36 degrees F.

Establishment: Seed is collected by hand from nursery stock. The plant flowers from approx. April 22 - May 5. Seed is harvested July 8.

Source: npn.rngr.net

ORGHPS Germination Guide: Put in deep pot; protect from damping off

Source: Ontario Rock Garden & Hardy Plant Society