Purple Milkvetch

Scientific Name: Astragalus agrestis Douglas ex G. Don


Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Rosidae / Fabales / Fabaceae / Leguminosae / Astragalus L./ Astragalus agrestis Douglas ex G. Don

Purple Milkvetch
General Information
Usda SymbolASAG2
GroupDicot
Life CyclePerennial
Growth HabitsForb/herb
Native LocationsASAG2

Plant Guide

Use a soil moisture meter to monitor the soil moisture where Purple Milkvetch is planted.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-33
Adapted to Coarse Textured SoilsNo
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceMedium
CaCO3 ToleranceLow
Cold Stratification RequiredNo
Drought ToleranceLow
Fertility RequirementMedium
Fire ToleranceHigh
Frost Free Days, Minimum175
Hedge ToleranceNone
Moisture UseLow
pH, Maximum7.7
pH, Minimum6.3
Precipitation, Maximum40
Precipitation, Minimum8
Root Depth, Minimum (inches)10
Salinity ToleranceNone
Shade ToleranceIntolerant


Morphology/Physiology

After Harvest Regrowth RateModerate
ToxicitySlight
Shape and OrientationDecumbent
Nitrogen FixationMedium
Resprout AbilityNo
Active Growth PeriodSpring and Summer
BloatNone
C:N RatioLow
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorPurple
Flower ConspicuousYes
Foliage ColorGreen
Foliage Porosity SummerPorous
Foliage TextureFine
Low Growing GrassNo
LifespanShort
Leaf RetentionNo
Known AllelopathNo
Height, Mature (feet)1.0
Growth RateModerate
Growth FormRhizomatous
Fruit/Seed ConspicuousYes
Fruit/Seed ColorBrown
Foliage Porosity WinterPorous


Reproduction

Vegetative Spread RateModerate
Small GrainNo
Seedling VigorMedium
Seed Spread RateSlow
Seed per Pound120000
Fruit/Seed PersistenceNo
Propagated by TubersNo
Propagated by SprigsNo
Propagated by SodNo
Propagated by SeedYes
Propagated by CormNo
Propagated by ContainerNo
Propagated by BulbNo
Propagated by Bare RootNo
Fruit/Seed Period EndFall
Fruit/Seed Period BeginSummer
Fruit/Seed AbundanceLow
Commercial AvailabilityNo Known Source
Bloom PeriodSummer
Propagated by CuttingsNo


Suitability/Use

Veneer ProductNo
Pulpwood ProductNo
Protein PotentialHigh
Post ProductNo
Palatable HumanNo
Palatable Graze AnimalMedium
Palatable Browse AnimalMedium
Nursery Stock ProductNo
Naval Store ProductNo
Lumber ProductNo
Fodder ProductYes
Christmas Tree ProductNo
Berry/Nut/Seed ProductNo

Purple Milkvetch

Purple Milkvetch

Purple Milkvetch

Purple Milkvetch

Purple Milkvetch

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