Sagadahoc County, Maine
Local growing conditions for Sagadahoc County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 8 ZIP codes in our data.
Hardiness zones in Sagadahoc County
Sagadahoc County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sagadahoc County for its live forecast, frost dates, and planting calendar:
Bowdoinham 04008
Topsham 04086
Bowdoinham 04287
Richmond 04357
Bath 04530
Bath 04548
Bath 04562
Bath 04579
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.