When to Plant Kohlrabi in Zone 3
In USDA zone 3, start seeds indoors around April 11, transplant or plant outdoors May 16 to July 10, and expect your first harvest around July 10. Zone 3 also has a fall planting window opening around July 2.
Kohlrabi planting calendar for USDA Zone 3
spring planting
Start seeds indoors
Apr 11
Transplant outdoors
May 16
Projected first harvest
Jul 10
fall planting
Direct sow
Jul 2
Projected first harvest
Aug 26
spring planting
fall planting
Kohlrabi is ready to harvest in about 55 days. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 3 means for kohlrabi
Average last spring frost
May 30
Average first fall frost
September 10
Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and kohlrabi need about 55 days to mature.
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
🌱 Grow kohlrabi with a calendar built for your exact yard
HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.
Start your free garden →