DibbleWhen to plant tomatillos 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 tomatillos in Zone 6
| Task | Window |
|---|---|
| Start seeds indoors | Mar 10 to Mar 24 |
| Transplant | Apr 28 to May 12 |
| Estimated harvest | Jul 12 to Sep 10 |
The harvest estimate counts 75 days to maturity, then a picking window of about 60 days. These windows use typical frost dates for Zone 6; Dibble pins them to your exact ZIP code.
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Tomatillo in a Zone 6 season
Zone 6 gives about 179 frost-free days. Tomatillo needs roughly 75 days from transplant. That leaves about 104 days of slack, so there is room for a late start or a second planting.
How to grow tomatillos
Grow tomatillos like tomatoes, but plant at least two for pollination. Fruit is ready when it fills and splits its papery husk.
Companion plants
Good neighbors for Tomatillo:
Better kept apart:
Tomatillo in other zones
Not in Zone 6? Pick your zone for the same dated windows.
Keep exploring
Tomatillo: 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.