Fox-tail Milkvetch

Astragalus alopecuroides, Fabaceae

Zones

3–7

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

Nitrogen FixerGround CoverMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6.8 – 8.2

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Black Prairie CloverDalea frutescens

Nitrogen FixationWind ProtectionBeneficial Insect Habitat

Abert's BuckwheatEriogonum abertianum

Beneficial Insect HabitatPollinator Sharing

Saramolla GrassIschaemum rugosum

Nitrogen Fixation

Mountain RyeSecale montanum

Nitrogen FixationWind Protection

Antagonistic Plants

Drummond's MilkvetchAstragalus drummondii

Related milkvetch species may exhibit allelopathic competition for similar ecological niches

Mongolian Milk VetchAstragalus propinquus

Congeneric Astragalus species have similar resource requirements leading to competitive interference

Uses

Functions

Nitrogen FixationSoil Erosion ControlWinter CoverForage ProductionWildlife Habitat

Medicinal Uses

Respiratory SupportImmune System

Common Questions

What zones does Fox-tail Milkvetch grow in?

Fox-tail Milkvetch grows in USDA hardiness zones 3 through 7.

Is Fox-tail Milkvetch a nitrogen fixer?

Yes, Fox-tail Milkvetch is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Fox-tail Milkvetch?

Good companions for Fox-tail Milkvetch include Black Prairie Clover, Abert's Buckwheat, Saramolla Grass, Mountain Rye.

Design guilds with Fox-tail Milkvetch and see companion relationships visually.

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