Fairfield County, Connecticut
Local growing conditions for Fairfield County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 46 ZIP codes in our data.
Hardiness zones in Fairfield County
Fairfield County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Fairfield County for its live forecast, frost dates, and planting calendar:
Lordship 06615
Danbury 06810
Stamford 06903
Stamford 06907
East Village 06468
Newtown 06470
Sandy Hook 06482
Shelton 06484
Bridgeport 06604
Bridgeport 06605
Bridgeport 06606
Bridgeport 06607
Bridgeport 06608
Bridgeport 06610
Daniels Farm 06611
Tashua 06612
Oronoque 06614
Sherman 06784
Bethel 06801
Brookfield Center 06804
Cos Cob 06807
Danbury 06811
Bigelow Corners 06812
Darien Downtown 06820
More for Connecticut
- Agriculture in Connecticut
- Frost dates across Connecticut
- 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.