Sussex County, New Jersey
Local growing conditions for Sussex County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 19 ZIP codes in our data.
Hardiness zones in Sussex County
Sussex County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sussex County for its live forecast, frost dates, and planting calendar:
Franklin 07416
Vernon Valley 07418
Hamburg 07419
Highland Lakes 07422
Ogdensburg 07439
Oak Ridge 07460
Sussex 07461
Vernon Center 07462
Andover 07821
Ross Corner 07822
Crandon Lakes 07826
Layton 07827
Hopatcong 07843
Ross Corner 07848
Layton 07851
Newton 07860
Lake Mohawk 07871
Byram Center 07874
Pocono Mountain Lake Estates 07881
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.