When to plant Sweet potatoes in Rhode Island

In spring, from May 1 – June 1 in Cranston to May 10 – June 10 in Woonsocket.

In fall, June 1 – 15.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Sweet potatoes planting dates by place in Rhode Island
PlaceSpringFall
Central FallsMay 10 – June 10June 1 – 15
CranstonMay 1 – June 1June 1 – 15
East ProvidenceMay 1 – June 1June 1 – 15
NewportMay 1 – June 1June 1 – July 1
PawtucketMay 10 – June 10June 1 – 15
ProvidenceMay 1 – June 1June 1 – 15
WarwickMay 1 – June 1June 1 – 15
WoonsocketMay 10 – June 10June 1 – 15

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for sweet potatoes.