When to Plant Brussels Sprouts in Zone 4
In USDA zone 4, start seeds indoors around March 27, transplant or plant outdoors May 1 to August 9, and expect your first harvest around August 9. Zone 4 also has a fall planting window opening around June 21.
Brussels Sprouts planting calendar for USDA Zone 4
spring planting
Start seeds indoors
Mar 27
Transplant outdoors
May 1
Projected first harvest
Aug 9
fall planting
Start seeds indoors
May 17
Transplant outdoors
Jun 21
Projected first harvest
Sep 29
spring planting
fall planting
Brussels Sprouts is ready to harvest in about 100 days. Dates use USDA zone 4a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 4 means for brussels sprouts
Average last spring frost
May 15
Average first fall frost
September 20
Those two dates are what set the schedule above. Zone 4 gives you roughly 128 frost-free days, and brussels sprouts need about 100 days to mature.
Varieties to grow
1 variety of brussels sprouts in the HomeSown library. Tap any for its full grow guide.
Common problems with brussels sprouts
What to watch for, with identification and treatment for each
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