Cumberland County, Maine
Local growing conditions for Cumberland County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 38 ZIP codes in our data.
Hardiness zones in Cumberland County
Cumberland County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Cumberland County for its live forecast, frost dates, and planting calendar:
Bridgton 04009
Portland 04102
South Portland 04106
Portland 04003
Brunswick 04011
Casco 04015
Portland 04017
Portland 04019
Cumberland Center 04021
Steep Falls 04024
Steep Falls 04029
Freeport 04032
Gorham 04038
Gray 04039
Bridgton 04040
Portland 04050
Naples 04055
Bridgton 04057
North Windham 04062
Brunswick 04066
Freeport 04069
North Windham 04071
Oak Hill 04074
Brunswick 04079
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.