DibbleWhen to plant lemon in Zone 4
In Zone 4, the last spring frost usually passes around May 10 and the first fall frost arrives around September 21, leaving about 134 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Cool climate with a brief warm window. Indoor starts and season extension help.
Planting windows for lemon in Zone 4
| Task | Window |
|---|---|
| Transplant | May 24 to Jun 7 |
| Estimated harvest | Feb 18 to Apr 19 |
The harvest estimate counts 270 days to maturity, then a picking window of about 60 days. These windows use typical frost dates for Zone 4; Dibble pins them to your exact ZIP code.
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How to grow lemon
In mild zones plant after the last frost; elsewhere grow it in a pot and overwinter indoors. Evergreen and self-fruitful, ripening for months.
Lemon in nearby zones
Keep exploring
Lemon: the full growing guide · The Zone 4 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.