When to plant Sweet potatoes in Massachusetts

In spring, from Apr 20 – June 1 in Boston to May 20 – June 10 in Westfield.

In fall, from May 20 – June 10 in Agawam Town to June 1 – 15 in Worcester.

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 Massachusetts
PlaceSpringFall
Agawam TownMay 20 – June 10May 20 – June 10
AmesburyMay 20 – June 10May 20 – June 10
Amherst TownMay 20 – June 10May 20 – June 10
AttleboroMay 20 – June 10May 20 – June 10
Barnstable TownMay 10 – June 10June 1 – 15
BeverlyMay 20 – June 10May 20 – June 10
BostonApr 20 – June 1June 1 – July 1
Braintree TownMay 10 – June 10June 1 – 15
Bridgewater TownMay 20 – June 10May 20 – June 10
BrocktonMay 10 – June 10June 1 – 15
CambridgeMay 10 – June 10June 1 – 15
ChelseaApr 20 – June 1June 1 – July 1
ChicopeeMay 20 – June 10May 20 – June 10
EasthamptonMay 20 – June 10May 20 – June 10
EverettApr 20 – June 1June 1 – July 1
Fall RiverMay 20 – June 10May 20 – June 10
FitchburgMay 20 – June 10May 20 – June 10
FraminghamMay 20 – June 10May 20 – June 10
Franklin TownMay 20 – June 10May 20 – June 10
GardnerMay 20 – June 10May 20 – June 10
GloucesterMay 20 – June 10May 20 – June 10
GreenfieldMay 20 – June 10May 20 – June 10
HaverhillMay 20 – June 10May 20 – June 10
HolyokeMay 20 – June 10May 20 – June 10
LawrenceMay 1 – June 1June 1 – 15
LeominsterMay 20 – June 10May 20 – June 10
LowellMay 20 – June 10May 20 – June 10
LynnMay 10 – June 10June 1 – 15
MaldenApr 20 – June 1June 1 – July 1
MarlboroughMay 20 – June 10May 20 – June 10
MedfordApr 20 – June 1June 1 – July 1
MelroseMay 10 – June 10June 1 – 15
MethuenMay 1 – June 1June 1 – 15
New BedfordMay 20 – June 10May 20 – June 10
NewburyportMay 20 – June 10May 20 – June 10
NewtonMay 10 – June 10June 1 – 15
North AdamsNot listedNot listed
North Attleborough TownMay 10 – June 10June 1 – 15
NorthamptonMay 20 – June 10May 20 – June 10
Palmer TownMay 20 – June 10May 20 – June 10
PeabodyMay 10 – June 10June 1 – 15
PittsfieldMay 20 – June 10Not listed
QuincyMay 10 – June 10June 1 – 15
Randolph TownMay 10 – June 10June 1 – 15
RevereApr 20 – June 1June 1 – July 1
SalemMay 10 – June 10June 1 – 15
SomervilleApr 20 – June 1June 1 – July 1
Southbridge TownMay 10 – June 10May 20 – June 10
SpringfieldMay 20 – June 10May 20 – June 10
TauntonMay 10 – June 10June 1 – 15
WalthamMay 20 – June 10May 20 – June 10
WatertownMay 10 – June 10June 1 – 15
West Springfield TownMay 20 – June 10May 20 – June 10
WestfieldMay 20 – June 10May 20 – June 10
Weymouth TownMay 10 – June 10June 1 – 15
Winthrop TownApr 20 – June 1June 1 – July 1
WoburnMay 10 – June 10June 1 – 15
WorcesterMay 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.