When to Plant Napa Cabbage in Zone 5
In USDA zone 5a, start seeds indoors around March 17, transplant or plant outdoors April 21 to July 5, and expect your first harvest around July 5. Zone 5 also has a fall planting window opening around July 23. (5a shown here — see 5a and 5b dates separately below.)
Napa Cabbage planting calendar for USDA Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
spring planting
Start seeds indoors
Mar 17
Transplant outdoors
Apr 21
Projected first harvest
Jul 5
fall planting
Start seeds indoors
Jun 18
Transplant outdoors
Jul 23
Projected first harvest
Oct 6
spring planting
fall planting
Napa Cabbage is ready to harvest in about 75 days, needing roughly 149 frost-free days in zone 5a.
Napa Cabbage planting calendar for USDA Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
spring planting
Start seeds indoors
Mar 12
Transplant outdoors
Apr 16
Projected first harvest
Jun 30
fall planting
Start seeds indoors
Jun 22
Transplant outdoors
Jul 27
Projected first harvest
Oct 10
spring planting
fall planting
Napa Cabbage is ready to harvest in about 75 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 napa cabbage in the HomeSown library. Tap any for its full grow guide.
Common problems with napa cabbage
What to watch for, with identification and treatment for each
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