New Jersey planting zones & frost dates
The 6 New Jersey cities on this site fall in zones 7a, 7b. Last spring frost dates range from Apr 6 in Elizabeth to Apr 25 in Trenton.
| City | Zone | Last frost | First frost | Population |
|---|---|---|---|---|
| Newark | 7b | Apr 8 | Nov 1 | 317,303 |
| Jersey City | 7b | Apr 8 | Nov 1 | 302,824 |
| Paterson | 7a | Apr 20 | Oct 22 | 160,463 |
| Elizabeth | 7b | Apr 6 | Nov 4 | 140,413 |
| Trenton | 7a | Apr 25 | Oct 21 | 91,193 |
| Clifton | 7a | Apr 20 | Oct 22 | 90,322 |
Frost dates are 30%-risk dates from the nearest suitable NOAA station. Population: Census Vintage 2024 estimates.