Hancock County, Maine
Local growing conditions for Hancock County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 40 ZIP codes in our data.
Hardiness zones in Hancock County
Hancock County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Hancock County for its live forecast, frost dates, and planting calendar:
Bar Harbor 04609
Bradley 04408
Bucksport 04416
Castine 04421
Ellsworth 04429
Ellsworth 04431
Bucksport 04472
Blue Hill 04476
Ellsworth 04605
Winter Harbor 04607
Southwest Harbor 04612
Winter Harbor 04613
Blue Hill 04614
Blue Hill 04616
Castine 04617
Winter Harbor 04624
Northeast Harbor 04625
Castine 04627
Ellsworth 04634
Southwest Harbor 04635
Ellsworth 04640
Castine 04642
Northeast Harbor 04646
Castine 04650
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.