Addison County, Vermont
Local growing conditions for Addison County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 15 ZIP codes in our data.
Hardiness zones in Addison County
Addison County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Addison County for its live forecast, frost dates, and planting calendar:
Middlebury 05769
Bristol 05443
Vergennes 05456
New Haven 05472
East Charlotte 05473
Hanksville 05487
Vergennes 05491
Port Henry 05734
South Lincoln 05747
Rochester 05748
Middlebury 05753
Benson 05760
South Lincoln 05766
Ticonderoga 05770
Middlebury 05778
More for Vermont
- Agriculture in Vermont
- Frost dates across Vermont
- 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.