Growing Guide
How to Grow Choy Sum
Everything you need to know about growing choy sum — from planting to harvest.
Spring/Fall
Fall-Spring
Winter
Days to Harvest
35–50
Spacing
6–10"
Method
Direct sow
Trellis
No
Where Choy Sum Grows Best
Choy Sum can be grown in 12 out of 12 USDA hardiness zones. Click a zone to see specific planting dates.
Growing Choy Sum
Choy Sum typically takes 35–50 days from planting to harvest. Sow seeds directly in the garden. Space plants 6–10" apart for optimal growth.
Common Pests
Create Your Own Plant Playlist
Use our kit themes as a starting point and build a custom planting plan for your garden.
Create a PlaylistFrequently Asked Questions
How long does it take to grow Choy Sum?
Choy Sum typically takes 35–50 days from planting to harvest. Timing varies by zone and growing conditions.
Can I grow Choy Sum in containers?
Many gardeners successfully grow choy sum in containers. Use a pot at least 12-18 inches deep with good drainage. Container plants may need more frequent watering.
What are the best companion plants for Choy Sum?
Choy Sum grows well alongside many garden plants. Check our kit pages for curated combinations that include choy sum.
Grow Choy Sum in Your Zone
Select your USDA hardiness zone for zone-specific planting dates and tips.