When to Plant Choy Sum in Zone 6
In USDA zone 6, plant outdoors April 11 to May 26, and expect your first harvest around May 26. Zone 6 also has a fall planting window opening around August 15.
Choy Sum planting calendar for USDA Zone 6
spring planting
Direct sow
Apr 11
Projected first harvest
May 26
fall planting
Direct sow
Aug 15
Projected first harvest
Sep 29
spring planting
fall planting
Choy Sum is ready to harvest in about 45 days. Dates use USDA zone 6a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 6 means for choy sum
Average last spring frost
April 25
Average first fall frost
October 10
Those two dates are what set the schedule above. Zone 6 gives you roughly 168 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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