Least Crown Vetch

Coronilla minima, Fabaceae

Zones

6–9

Layer

Ground Cover

Lifespan

Perennial

Growth

Moderate

Guild Roles

Nitrogen FixerPollinator AttractorGround Cover

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

6.5 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Mountain CowslipPrimula auricula

Nitrogen Fixation

Perennial KnawelScleranthus perennis

Nitrogen FixationNurse Plant

Greater Burnet-saxifragePimpinella major

Nitrogen FixationPollinator Sharing

Gray GoldenrodSolidago nemoralis

Nitrogen FixationPollinator Sharing

Lamp-wick Jerusalem SagePhlomis lychnitis

Pest DeterrentNitrogen Fixation

Antagonistic Plants

Silvery LupineLupinus argenteus

Both legumes compete for similar rhizobial partnerships and root space, with lupine alkaloids potentially inhibiting other legume growth

Hairy Canary CloverDorycnium hirsutum

Related legumes compete for rhizobial symbionts and may produce secondary metabolites that inhibit each other

Uses

Functions

Nitrogen FixationLimestone Soil AdaptationDrought Tolerance

Common Questions

What zones does Least Crown Vetch grow in?

Least Crown Vetch grows in USDA hardiness zones 6 through 9.

Is Least Crown Vetch a nitrogen fixer?

Yes, Least Crown Vetch is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Least Crown Vetch?

Good companions for Least Crown Vetch include Mountain Cowslip, Perennial Knawel, Greater Burnet-saxifrage, Gray Goldenrod, Lamp-wick Jerusalem Sage.

Design guilds with Least Crown Vetch and see companion relationships visually.

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