DibbleWhen to plant strawberries 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 strawberries in Zone 4
| Task | Window |
|---|---|
| Transplant | Apr 26 to May 10 |
| Estimated harvest | Jul 25 to Sep 8 |
The harvest estimate counts 90 days to maturity, then a picking window of about 45 days. These windows use typical frost dates for Zone 4; Dibble pins them to your exact ZIP code.
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Strawberry in a Zone 4 season
Zone 4 gives about 134 frost-free days. Strawberry needs roughly 90 days from transplant. That leaves about 44 days of slack, enough for one full crop with a little room for a cold spring.
How to grow strawberries
Plant crowns a couple of weeks before last frost. A perennial, it spreads by runners and fruits for several years.
Companion plants
Good neighbors for Strawberry:
Better kept apart:
Strawberry in other zones
Not in Zone 4? Pick your zone for the same dated windows.
Keep exploring
Strawberry: 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.