Caucasian Sweetvetch

Hedysarum caucasicum, Fabaceae

Zones

3–8

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

6.5 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

AchachairuGarcinia humilis

Nitrogen FixationPollinator Sharing

Siberian Wild RyeElymus sibiricus

Nitrogen FixationWind Protection

Nepal smartweedPolygonum nepalense

Nitrogen FixationBeneficial Insect Habitat

Yellow Crown VetchCoronilla scorpioides

Nitrogen FixationPollinator Sharing

Mockernut HickoryCarya tomentosa

Nitrogen Fixation

KokumGarcinia indica

Nitrogen FixationPollinator Sharing

Antagonistic Plants

Bitternut HickoryCarya cordiformis

Bitternut hickory produces compounds that inhibit sweetvetch establishment and growth

Uses

Functions

Nitrogen FixationSoil ImprovementErosion ControlDeep Soil PenetrationBiomass Production

Common Questions

What zones does Caucasian Sweetvetch grow in?

Caucasian Sweetvetch grows in USDA hardiness zones 3 through 8.

Is Caucasian Sweetvetch a nitrogen fixer?

Yes, Caucasian Sweetvetch is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Caucasian Sweetvetch?

Good companions for Caucasian Sweetvetch include Achachairu, Siberian Wild Rye, Nepal smartweed, Yellow Crown Vetch, Mockernut Hickory.

Design guilds with Caucasian Sweetvetch and see companion relationships visually.

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