Zone-Specific Guide
Grow Choy Sum in Zone 8a
Your complete guide to growing choy sum in USDA Hardiness Zone 8a — planting windows, care tips, and harvest timing.
Fall-Spring
🌡️ Zone 8a
Days to Harvest
35–50
Spacing
6–10"
Method
Direct sow
Season
Fall-Spring
When to Plant Choy Sum in Zone 8a
Start Indoors
Aug 1 – Sept 1
Transplant Outdoors
Sept 1 – Nov 1
Direct Sow
Sept – Mar
How to Grow Choy Sum in Zone 8a
📋 Key Timing Note
Fall through spring growing season. Plant in fall for winter harvest. Mild winters are perfect.
Direct sow seeds between Sept – Mar. Space plants 6–10" apart. Expect to harvest in approximately 35–50 days.
Common Pests in Zone 8a
Watch for these pests when growing choy sum in your area.
Frequently Asked Questions
When should I plant Choy Sum in Zone 8a?
Start seeds indoors Aug 1 – Sept 1. Transplant outdoors Sept 1 – Nov 1.
How far apart should I plant Choy Sum in Zone 8a?
Space choy sum plants 6–10" apart in Zone 8a. This gives them adequate room for airflow and root development.
What pests affect Choy Sum in Zone 8a?
Common pests for choy sum in Zone 8a 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 8a?
In Zone 8a, expect choy sum to be ready in approximately 35–50 days from planting. Fall through spring growing season. Plant in fall for winter harvest. Mild winters are perfect.