When to Plant Bok Choy in Zone 9
In USDA zone 9a, start seeds indoors around February 1, transplant or plant outdoors February 15 to April 6, and expect your first harvest around April 6. Zone 9 also has a fall planting window opening around September 29. (9a shown here — see 9a and 9b dates separately below.)
Bok Choy planting calendar for USDA Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
spring planting
Start seeds indoors
Feb 1
Transplant outdoors
Feb 15
Projected first harvest
Apr 6
fall planting
Direct sow
Sep 29
Projected first harvest
Nov 18
spring planting
fall planting
Bok Choy is ready to harvest in about 50 days, needing roughly 275 frost-free days in zone 9a.
Bok Choy planting calendar for USDA Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
spring planting
Start seeds indoors
Jan 18
Transplant outdoors
Feb 1
Projected first harvest
Mar 23
fall planting
Direct sow
Oct 13
Projected first harvest
Dec 2
spring planting
fall planting
Bok Choy is ready to harvest in about 50 days, needing roughly 303 frost-free days in zone 9b.
Not sure whether you're in 9a or 9b? 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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