York County, Maine
Local growing conditions for York County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 36 ZIP codes in our data.
Hardiness zones in York County
York County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in York County for its live forecast, frost dates, and planting calendar:
Cape Neddick 03902
Berwick 03901
South Eliot 03903
Kittery 03904
Kittery Point 03905
Sanford 03906
Cape Neddick 03907
South Berwick 03908
York Harbor 03909
Cape Neddick 03910
York Harbor 03911
Milton Mills 04001
Alfred 04002
Biddeford 04005
Biddeford 04006
Cornish 04020
Milton 04027
Lake Arrowhead 04030
Lake Arrowhead 04042
Kennebunk 04043
Biddeford 04046
Kezar Falls 04047
Lake Arrowhead 04048
Steep Falls 04049
More for Maine
- Agriculture in Maine
- Frost dates across Maine
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.