Black Pea

Lathyrus niger, Fabaceae

Zones

4–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Fast

Guild Roles

Nitrogen FixerGround CoverMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Variable SainfoinSainfoin polygama

Nitrogen FixationPollinator Sharing

Hoary WallflowerErysimum canescens

Nitrogen FixationWind Protection

Eastern Goat's RueGalega orientalis

Nitrogen FixationPollinator Sharing

Antagonistic Plants

Purple LocoweedOxytropis lambertii

Both contain toxic alkaloids and may exhibit competitive interactions when grown in proximity

Canaigre DockRumex hymenosepalus

Rumex species produce oxalates and other compounds that can inhibit legume growth

Uses

Functions

Nitrogen FixationSoil ImprovementErosion ControlBiomass Production

Edible Parts

SeedsYoung Pods

Common Questions

What zones does Black Pea grow in?

Black Pea grows in USDA hardiness zones 4 through 8.

Is Black Pea a nitrogen fixer?

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

What are good companion plants for Black Pea?

Good companions for Black Pea include Variable Sainfoin, Hoary Wallflower, Eastern Goat's Rue.

Design guilds with Black Pea and see companion relationships visually.

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