Gai Choy

Brassica juncea var. integrifolia, Brassicaceae

Zones

3a–10b

Layer

Herbaceous

Lifespan

Annual

Growth

Fast

Guild Roles

Producer

Growing Conditions

Sun

Full Sun (optimal)

Water

Moderate

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Collard GreensBrassica oleracea var. viridis

Pest DeterrentBeneficial Insect Habitat

Swiss ChardBeta vulgaris var. cicla

Nutrient AccumulationPest Deterrent

CarrotDaucus carota var. sativus

Pest DeterrentBeneficial Insect Habitat

Antagonistic Plants

Garden StrawberryFragaria x ananassa

Mustard greens release allelopathic compounds that can inhibit strawberry growth when grown in succession

Rat-Tail RadishRaphanus sativus var. caudatus

Mustard greens can release allelopathic compounds that may inhibit radish growth

Watermelon RadishRaphanus sativus Watermelon

Both brassicas compete for similar nutrients and space, can inhibit each other's development

Uses

Functions

Food

Edible Parts

Leaves

Common Questions

What zones does Gai Choy grow in?

Gai Choy grows in USDA hardiness zones 3a through 10b.

What are good companion plants for Gai Choy?

Good companions for Gai Choy include Collard Greens, Swiss Chard, Carrot.

Design guilds with Gai Choy and see companion relationships visually.

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