When to Plant Kohlrabi in Zone 5
In USDA zone 5a, start seeds indoors around March 17, transplant or plant outdoors April 21 to June 15, and expect your first harvest around June 15. Zone 5 also has a fall planting window opening around July 23. (5a shown here — see 5a and 5b dates separately below.)
Kohlrabi 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
Jun 15
fall planting
Direct sow
Jul 23
Projected first harvest
Sep 16
spring planting
fall planting
Kohlrabi is ready to harvest in about 55 days, needing roughly 149 frost-free days in zone 5a.
Kohlrabi 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 10
fall planting
Direct sow
Jul 27
Projected first harvest
Sep 20
spring planting
fall planting
Kohlrabi is ready to harvest in about 55 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 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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