DibbleWhen to plant blueberry in Zone 3
In Zone 3, the last spring frost usually passes around May 15 and the first fall frost arrives around September 15, leaving about 123 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Short, cool season. Start most warm crops indoors and protect from late frosts.
Planting windows for blueberry in Zone 3
| Task | Window |
|---|---|
| Transplant | Apr 24 to May 8 |
| Estimated harvest | Aug 22 to Sep 21 |
The harvest estimate counts 120 days to maturity, then a picking window of about 30 days. These windows use typical frost dates for Zone 3; Dibble pins them to your exact ZIP code.
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How to grow blueberry
Plant bare-root bushes in early spring in acidic soil. A long-lived perennial, full crops come in a few years, so be patient.
Companion plants
Good neighbors for Blueberry:
Blueberry in nearby zones
Keep exploring
Blueberry: the full growing guide · The Zone 3 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.