Worcester County, Massachusetts
Local growing conditions for Worcester County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 85 ZIP codes in our data.
Hardiness zones in Worcester County
Worcester County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Worcester County for its live forecast, frost dates, and planting calendar:
Fiskdale 01518
Barre 01005
Ware 01031
Barre 01037
Rutland 01068
Barre 01074
Warren 01083
West Warren 01092
Barre 01094
Athol 01331
Petersham 01366
Athol 01368
Fitchburg 01420
South Ashburnham 01430
Devens 01434
Baldwinville 01436
Gardner 01438
Gardner 01440
Devens 01451
Gardner 01452
Leominster 01453
Lunenburg 01462
Gardner 01468
Fitchburg 01473
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.