Essex County, New Jersey
Local growing conditions for Essex County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 31 ZIP codes in our data.
Hardiness zones in Essex County
Essex County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Essex County for its live forecast, frost dates, and planting calendar:
Essex Fells 07021
Newark 07114
Glen Ridge 07003
Lincoln Park 07004
Caldwell 07006
North Caldwell 07009
East Orange 07017
East Orange 07018
Glen Ridge 07028
Roseland 07039
Vauxhall 07040
Short Hills 07041
Glen Ridge 07042
Upper Montclair 07043
North Caldwell 07044
East Orange 07050
Pleasantdale 07052
Roseland 07068
Short Hills 07078
Newark 07079
Newark 07102
Newark 07103
Newark 07104
Newark 07105
More for New Jersey
- Agriculture in New Jersey
- Frost dates across New Jersey
- 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.