When to Plant Kohlrabi in Zone 6
In USDA zone 6a, start seeds indoors around March 7, transplant or plant outdoors April 11 to June 5, and expect your first harvest around June 5. Zone 6 also has a fall planting window opening around August 1. (6a shown here — see 6a and 6b dates separately below.)
Kohlrabi planting calendar for USDA Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
spring planting
Start seeds indoors
Mar 7
Transplant outdoors
Apr 11
Projected first harvest
Jun 5
fall planting
Direct sow
Aug 1
Projected first harvest
Sep 25
spring planting
fall planting
Kohlrabi is ready to harvest in about 55 days, needing roughly 168 frost-free days in zone 6a.
Kohlrabi planting calendar for USDA Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
spring planting
Start seeds indoors
Mar 2
Transplant outdoors
Apr 6
Projected first harvest
May 31
fall planting
Direct sow
Aug 6
Projected first harvest
Sep 30
spring planting
fall planting
Kohlrabi is ready to harvest in about 55 days, needing roughly 178 frost-free days in zone 6b.
Not sure whether you're in 6a or 6b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of kohlrabi in the HomeSown library. Tap any for its full grow guide.
Common problems with kohlrabi
What to watch for, with identification and treatment for each
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