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Ball Clover

Trifolium nigrescens, Fabaceae

Zones
7–10
Layer
Ground Cover
Lifespan
Annual
Growth
Fast

Guild Roles

Nitrogen FixerGround CoverMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

6 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Heath False-bromeBrachypodium pinnatum
Nitrogen FixationPollinator Sharing
Maryland Wild SennaCassia marilandica
Pest DeterrentBeneficial Insect HabitatNitrogen Fixation

Antagonistic Plants

Hop CloverTrifolium campestre

Closely related clovers may compete for similar resources and root space when grown too close together

Sea CloverTrifolium squarrosum

Related annual clovers compete for rhizobia partners and similar soil resources

Uses

Functions

Nitrogen FixationRapid EstablishmentSoil CoverageWinter Annual CoverBiomass Production

Edible Parts

FlowersYoung Leaves

Common Questions

What zones does Ball Clover grow in?

Ball Clover grows in USDA hardiness zones 7 through 10.

Is Ball Clover a nitrogen fixer?

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

What are good companion plants for Ball Clover?

Good companions for Ball Clover include Heath False-brome, Maryland Wild Senna.

Design guilds with Ball Clover and see companion relationships visually.

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