Suffolk County, Massachusetts
Local growing conditions for Suffolk County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 35 ZIP codes in our data.
Hardiness zones in Suffolk County
Suffolk County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Suffolk County for its live forecast, frost dates, and planting calendar:
Boston 02128
Boston 02130
Boston 02108
Boston 02109
Boston 02110
Boston 02111
Boston 02113
Boston 02114
Boston 02115
Boston 02116
Boston 02118
Boston 02119
Boston 02120
Boston 02121
Boston 02122
Boston 02124
Boston 02125
Boston 02126
Boston 02127
Boston 02129
Boston 02131
Boston 02132
Boston 02133
Boston 02134
More for Massachusetts
- Agriculture in Massachusetts
- Frost dates across Massachusetts
- USDA hardiness zones explained
- Planting calendar by ZIP code
← All counties in Massachusetts
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.