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Fabaceae
Astragalus Species, Purple Milkvetch
Astragalusagrestis
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Family
Fabaceae
(fab-AY-see-ee)
Info
Genus
Astragalus
(ass-TRA-gal-uss)
Info
Species
agrestis
(ag-RES-tiss)
Info
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)
Danger
Unknown - Tell us
Bloom Color
Lavender
Medium Purple
Bloom Time
Mid Summer
Other Details
Category
Perennials
Water Requirements
Unknown - Tell us
Foliage Color
Unknown - Tell us
Where to Grow
Unknown - Tell us
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Unknown - Tell us
Other details
Unknown - Tell us
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
Unknown - Tell us
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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