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Neglected Sweetvetch

Hedysarum neglectum, 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 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Mountain SainfoinOnobrychis montana
Nitrogen FixationPollinator Sharing
Weyrich's KnotweedPolygonum weyrichii
Nitrogen FixationPollinator Sharing
Mongolian MilkvetchAstragalus mongholicus
Nitrogen FixationWind ProtectionPollinator Sharing

Antagonistic Plants

Sudan GrassSorghum sudanense

Sudan grass allelopathy and rapid growth suppress sweetvetch establishment

Uses

Functions

Nitrogen FixationSoil ImprovementErosion ControlDeep Soil Penetration

Edible Parts

Roots

Common Questions

What zones does Neglected Sweetvetch grow in?

Neglected Sweetvetch grows in USDA hardiness zones 3 through 8.

Is Neglected Sweetvetch a nitrogen fixer?

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

What are good companion plants for Neglected Sweetvetch?

Good companions for Neglected Sweetvetch include Mountain Sainfoin, Weyrich's Knotweed, Mongolian Milkvetch.

Design guilds with Neglected Sweetvetch and see companion relationships visually.

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