Astragalus Species, Purple Milkvetch

Astragalusagrestis

Family
Fabaceae (fab-AY-see-ee)
Genus
Astragalus (ass-TRA-gal-uss)
Species
agrestis (ag-RES-tiss)
Synonym
Astragalus agrestis f. virgultulus
Astragalus danicus var. dasyglottis
Astragalus danicus subsp. dasyglottis
Astragalus dasyglottis
Astragalus goniatus
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
18-24 in. (45-60 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
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)
Bloom Color
Lavender
Medium Purple
Bloom Time
Mid Summer
Other Details
Category
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
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
Regional

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Gardener's Notes:

0
positive
0
neutral
0
negative
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