Zone-Specific Guide
Grow Choy Sum in Zone 10a
Your complete guide to growing choy sum in USDA Hardiness Zone 10a — planting windows, care tips, and harvest timing.
Fall-Spring
🌡️ Zone 10a
Days to Harvest
35–50
Spacing
6–10"
Method
Direct sow
Season
Fall-Spring
When to Plant Choy Sum in Zone 10a
Direct Sow
Sept – Mar
How to Grow Choy Sum in Zone 10a
📋 Key Timing Note
Flowering Chinese cabbage. Harvest flower stalks young. Bolts quickly in heat.
Direct sow seeds between Sept – Mar. Space plants 6–10" apart. Expect to harvest in approximately 35–50 days.
Common Pests in Zone 10a
Watch for these pests when growing choy sum in your area.
Frequently Asked Questions
When should I plant Choy Sum in Zone 10a?
Direct sow seeds Sept – Mar.
How far apart should I plant Choy Sum in Zone 10a?
Space choy sum plants 6–10" apart in Zone 10a. This gives them adequate room for airflow and root development.
What pests affect Choy Sum in Zone 10a?
Common pests for choy sum in Zone 10a include flea beetles, aphids. Use companion planting and row covers as first-line defense.
How long until Choy Sum is ready to harvest in Zone 10a?
In Zone 10a, expect choy sum to be ready in approximately 35–50 days from planting. Flowering Chinese cabbage. Harvest flower stalks young. Bolts quickly in heat.