When to Plant Bok Choy in Zone 3
In USDA zone 3a, start seeds indoors around May 2, transplant or plant outdoors May 16 to July 5, and expect your first harvest around July 5. Zone 3 also has a fall planting window opening around July 9. (3a shown here — see 3a and 3b dates separately below.)
Bok Choy planting calendar for USDA Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
spring planting
Start seeds indoors
May 2
Transplant outdoors
May 16
Projected first harvest
Jul 5
fall planting
Direct sow
Jul 9
Projected first harvest
Aug 28
spring planting
fall planting
Bok Choy is ready to harvest in about 50 days, needing roughly 103 frost-free days in zone 3a.
Bok Choy planting calendar for USDA Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
spring planting
Start seeds indoors
Apr 22
Transplant outdoors
May 6
Projected first harvest
Jun 25
fall planting
Direct sow
Jul 14
Projected first harvest
Sep 2
spring planting
fall planting
Bok Choy is ready to harvest in about 50 days, needing roughly 118 frost-free days in zone 3b.
Not sure whether you're in 3a or 3b? 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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