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.

CityLast Spring Frost (typical)First Fall Frost (typical)Growing SeasonUSDA 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