When to Plant Choy Sum in Zone 7
In USDA zone 7, plant outdoors April 1 to May 16, and expect your first harvest around May 16. Zone 7 also has a fall planting window opening around August 25.
Choy Sum planting calendar for USDA Zone 7
spring planting
Direct sow
Apr 1
Projected first harvest
May 16
fall planting
Direct sow
Aug 25
Projected first harvest
Oct 9
spring planting
fall planting
Choy Sum is ready to harvest in about 45 days. Dates use USDA zone 7a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 7 means for choy sum
Average last spring frost
April 15
Average first fall frost
October 20
Those two dates are what set the schedule above. Zone 7 gives you roughly 188 frost-free days, and choy sum need about 45 days to mature.
Varieties to grow
1 variety of choy sum in the HomeSown library. Tap any for its full grow guide.
Common problems with choy sum
What to watch for, with identification and treatment for each
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