Astragalus Species, Hall's Milkvetch

Astragalushallii

Family
Fabaceae (fab-AY-see-ee)
Genus
Astragalus (ass-TRA-gal-uss)
Species
hallii (HALL-ee-eye)
Synonym
Astragalus gracilentus var. hallii
Astragalus shearii
Astragalus vaginatus
Pisophaca hallii
Tragacantha hallii
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
Bloom Color
Blue-Violet
Lavender
Medium Purple
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Herbs
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

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Gardener's Notes:

0
positive
0
neutral
0
negative
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