DibbleWhen to plant Brussels sprouts in Zone 5
In Zone 5, the last spring frost usually passes around April 30 and the first fall frost arrives around October 1, leaving about 154 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Classic temperate season. Most vegetables and flowers do well with normal timing.
Planting windows for Brussels sprouts in Zone 5
| Task | Window |
|---|---|
| Start seeds indoors | Apr 30 to May 14 |
| Transplant | Jun 11 to Jun 25 |
| Estimated harvest | Sep 19 to Oct 19 |
The harvest estimate counts 100 days to maturity, then a picking window of about 30 days. These windows use typical frost dates for Zone 5; Dibble pins them to your exact ZIP code.
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Brussels Sprouts in a Zone 5 season
Zone 5 gives about 154 frost-free days. Brussels Sprouts needs roughly 100 days from transplant. That leaves about 54 days of slack, enough for one full crop with a little room for a cold spring.
How to grow Brussels sprouts
A long-season brassica for autumn and winter picking. Start seeds indoors about 6 weeks before planting out, and plant out about 4 months before the weather turns cool. A touch of cold sweetens the sprouts.
Companion plants
Good neighbors for Brussels Sprouts:
Better kept apart:
Brussels Sprouts in other zones
Not in Zone 5? Pick your zone for the same dated windows.
Keep exploring
Brussels Sprouts: the full growing guide · The Zone 5 planting calendar · Every crop and zone
Plant at the right time this season
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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.