Frost Dates & Planting Calendars in Rhode Island
Typical last spring frost, first fall frost, and growing-season length for 29 cities in Rhode Island, based on NOAA 1991–2020 climate normals. Click a city for its full frost-date summary, monthly temperature chart, and 42-crop planting calendar.
| City | Last Spring Frost (typical) | First Fall Frost (typical) | Growing Season | USDA Zone |
|---|---|---|---|---|
| Providence | April 11 | October 30 | 199 days | 7a |
| Warwick | April 11 | October 30 | 199 days | 7a |
| Cranston | April 11 | October 30 | 199 days | 7a |
| Pawtucket | April 22 | October 19 | 179 days | 7a |
| East Providence | April 11 | October 30 | 199 days | 7a |
| Woonsocket | April 22 | October 19 | 179 days | 6b |
| Coventry | April 22 | October 20 | 179 days | 6b |
| Cumberland | April 22 | October 19 | 179 days | 6b |
| North Providence | April 11 | October 30 | 199 days | 6b |
| South Kingstown | May 1 | October 12 | 163 days | 7a |
| West Warwick | April 22 | October 20 | 179 days | 6b |
| Johnston | April 11 | October 30 | 199 days | 6b |
| North Kingstown | April 27 | October 15 | 171 days | 7a |
| Newport | April 7 | November 13 | 216 days | 7a |
| Bristol | April 11 | November 2 | 203 days | 7a |
| Smithfield | April 22 | October 19 | 179 days | 6b |
| Lincoln | April 22 | October 19 | 179 days | 6b |
| Central Falls | April 22 | October 19 | 179 days | 7a |
| Westerly | April 11 | October 31 | 201 days | 7a |
| Portsmouth | April 11 | November 2 | 203 days | 7a |
| Middletown | April 11 | November 4 | 206 days | 7a |
| Barrington | April 11 | October 30 | 199 days | 7a |
| Narragansett | May 1 | October 12 | 163 days | 7a |
| East Greenwich | April 11 | October 30 | 199 days | 7a |
| Newport East | April 11 | November 4 | 206 days | 7a |
| Valley Falls | April 22 | October 19 | 179 days | 7a |
| Warren | April 11 | October 30 | 199 days | 7a |
| North Smithfield | April 22 | October 19 | 179 days | 6b |
| North Scituate | April 25 | October 19 | 176 days | 6b |