New Jersey Hardiness Zones
New Jersey covers USDA plant hardiness zones 6b to 8a on the 2023 map, so its coldest areas average −5 to 0 °F on the coldest winter night. Find your zone by ZIP code, or pick a city below for its zone, sunrise and daylight by month.
New Jersey hardiness zone map
This is not the official USDA Plant Hardiness Zone Map. Zones are derived from the official 2023 dataset, resampled to about 2 km. Dots mark cities with their own page.
Source: USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture, planthardiness.ars.usda.gov. Underlying data © PRISM Group, Oregon State University, prism.oregonstate.edu, accessed 2026-08-30.
Zones and daylight by city
| City | Zone | Coldest night | Longest day | Shortest day |
|---|---|---|---|---|
| Newark | 7b | 5 to 10 °F | 15h 06m | 9h 15m |
| Jersey City | 7b | 5 to 10 °F | 15h 06m | 9h 15m |
| Paterson | 7a | 0 to 5 °F | 15h 07m | 9h 14m |
| Elizabeth | 7b | 5 to 10 °F | 15h 05m | 9h 16m |
| Trenton | 7b | 5 to 10 °F | 15h 02m | 9h 18m |
| Camden | 7b | 5 to 10 °F | 15h 01m | 9h 20m |
| Princeton | 7a | 0 to 5 °F | 15h 03m | 9h 17m |
| Atlantic City | 8a | 10 to 15 °F | 14h 57m | 9h 23m |
| Toms River | 7a | 0 to 5 °F | 15h 01m | 9h 20m |
Questions
What hardiness zones are in New Jersey?
New Jersey spans USDA zones 6b to 8a on the 2023 map. Among its larger cities, Paterson is coldest (zone 7a) and Atlantic City is warmest (zone 8a).
How do I find my exact zone in New Jersey?
Enter your ZIP code in the hardiness zone lookup on this site. It reads the 2023 USDA data for that ZIP and warns you if you are near a zone boundary.
How much sun do gardens in New Jersey get?
In Newark, an open spot gets up to 15.1 hours of daylight in June but only 9.2 in December. Trees and buildings cut that down, especially in winter. The Deconstruct Sun app measures the real direct-sun hours for one exact spot.