DibbleWhen to plant Brussels sprouts in Zone 6
In Zone 6, the last spring frost usually passes around April 21 and the first fall frost arrives around October 17, leaving about 179 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Generous season. Spring and fall plantings both productive.
Planting windows for Brussels sprouts in Zone 6
| Task | Window |
|---|---|
| Start seeds indoors | Mar 24 to Apr 7 |
| Transplant | May 5 to May 19 |
| Estimated harvest | Aug 13 to Sep 12 |
The harvest estimate counts 100 days to maturity, then a picking window of about 30 days. These windows use typical frost dates for Zone 6; Dibble pins them to your exact ZIP code.
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Brussels Sprouts in a Zone 6 season
Zone 6 gives about 179 frost-free days. Brussels Sprouts needs roughly 100 days from transplant. That leaves about 79 days of slack, so there is room for a late start or a second planting.
How to grow Brussels sprouts
A long-season brassica best for fall. Start indoors around last frost, transplant after, and let frost sweeten the sprouts.
Companion plants
Good neighbors for Brussels Sprouts:
Better kept apart:
Brussels Sprouts in other zones
Not in Zone 6? Pick your zone for the same dated windows.
Keep exploring
Brussels Sprouts: the full growing guide · The Zone 6 planting calendar · Every crop and zone
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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.