Rhode Island planting zones & frost dates
The 4 Rhode Island cities on this site fall in zones 6b, 7a. Last spring frost dates range from Apr 17 in Providence to Apr 28 in Pawtucket.
| City | Zone | Last frost | First frost | Population |
|---|---|---|---|---|
| Providence | 7a | Apr 17 | Oct 24 | 194,706 |
| Cranston | 6b | Apr 17 | Oct 24 | 84,448 |
| Warwick | 7a | Apr 17 | Oct 24 | 83,554 |
| Pawtucket | 7a | Apr 28 | Oct 12 | 76,996 |
Frost dates are 30%-risk dates from the nearest suitable NOAA station. Population: Census Vintage 2024 estimates.