When to Plant Brussels Sprouts in Zone 5
In USDA zone 5a, start seeds indoors around March 17, transplant or plant outdoors April 21 to July 30, and expect your first harvest around July 30. Zone 5 also has a fall planting window opening around July 2. (5a shown here — see 5a and 5b dates separately below.)
Brussels Sprouts 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 30
fall planting
Start seeds indoors
May 28
Transplant outdoors
Jul 2
Projected first harvest
Oct 10
spring planting
fall planting
Brussels Sprouts is ready to harvest in about 100 days, needing roughly 149 frost-free days in zone 5a.
Brussels Sprouts 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
Jul 25
fall planting
Start seeds indoors
Jun 1
Transplant outdoors
Jul 6
Projected first harvest
Oct 14
spring planting
fall planting
Brussels Sprouts is ready to harvest in about 100 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 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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