Yellow Crown Vetch

Coronilla scorpioides, Fabaceae

Zones

6–10

Layer

Ground Cover

Lifespan

Annual

Growth

Fast

Guild Roles

Nitrogen FixerGround CoverPollinator Attractor

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

Caucasian SweetvetchHedysarum caucasicum

Nitrogen FixationPollinator Sharing

David's PeachPrunus davidiana

Nitrogen FixationBeneficial Insect Habitat

Pignut HickoryCarya glabra

Nitrogen FixationBeneficial Insect Habitat

Star CloverTrifolium stellatum

Nitrogen FixationPollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Arizona WalnutJuglans major

Walnut juglone is toxic to crown vetch and other leguminous plants

Two-flowered Everlasting PeaLathyrus grandiflorus

Related legume species may compete for similar rhizobial associations

Uses

Functions

Nitrogen FixationSoil BreakingErosion ControlPollinator SupportAlkaline Soil Tolerance

Common Questions

What zones does Yellow Crown Vetch grow in?

Yellow Crown Vetch grows in USDA hardiness zones 6 through 10.

Is Yellow Crown Vetch a nitrogen fixer?

Yes, Yellow 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 Yellow Crown Vetch?

Good companions for Yellow Crown Vetch include Caucasian Sweetvetch, David's Peach, Pignut Hickory, Star Clover.

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

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