PatternBaseChoy Sum
Brassica rapa var. parachinensis, 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
Antagonistic Plants
Uses
Functions
Food
Edible Parts
LeavesFlowers
Common Questions
What zones does Choy Sum grow in?
Choy Sum grows in USDA hardiness zones 3a through 10b.
What are good companion plants for Choy Sum?
Good companions for Choy Sum include Sweet Potato, Common Sage, Custard Apple.
Design guilds with Choy Sum and see companion relationships visually.
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