When to Plant Bok Choy in Zone 5
In USDA zone 5a, start seeds indoors around April 7, transplant or plant outdoors April 21 to June 10, and expect your first harvest around June 10. Zone 5 also has a fall planting window opening around July 30. (5a shown here — see 5a and 5b dates separately below.)
Bok Choy planting calendar for USDA Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
spring planting
Start seeds indoors
Apr 7
Transplant outdoors
Apr 21
Projected first harvest
Jun 10
fall planting
Direct sow
Jul 30
Projected first harvest
Sep 18
spring planting
fall planting
Bok Choy is ready to harvest in about 50 days, needing roughly 149 frost-free days in zone 5a.
Bok Choy planting calendar for USDA Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
spring planting
Start seeds indoors
Apr 2
Transplant outdoors
Apr 16
Projected first harvest
Jun 5
fall planting
Direct sow
Aug 3
Projected first harvest
Sep 22
spring planting
fall planting
Bok Choy is ready to harvest in about 50 days, needing roughly 158 frost-free days in zone 5b.
Not sure whether you're in 5a or 5b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of bok choy in the HomeSown library. Tap any for its full grow guide.
Common problems with bok choy
What to watch for, with identification and treatment for each
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