DibbleWhen to plant tomato 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 tomato in Zone 5
| Task | Window |
|---|---|
| Start seeds indoors | Mar 19 to Apr 2 |
| Transplant | May 7 to May 21 |
| Estimated harvest | Jul 21 to Sep 19 |
The harvest estimate counts 75 days to maturity, then a picking window of about 60 days. These windows use typical frost dates for Zone 5; Dibble pins them to your exact ZIP code.
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How to grow tomato
Start seeds indoors about 6 weeks before your last frost. Harden off and transplant a week or two after frost danger passes, burying the stem deep for strong roots.
Companion plants
Good neighbors for Tomato:
Better kept apart:
Tomato in nearby zones
Keep exploring
Tomato: the full growing guide · The Zone 5 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.