When to plant Turnips in Massachusetts

In spring, from Feb 20 – Mar 20 in Boston to Apr 1 – June 1 in North Adams.

In fall, from June 1 – Aug 1 in North Adams to Sept 1 – Oct 15 in Winthrop Town.

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

Turnips planting dates by place in Massachusetts
PlaceSpringFall
Agawam TownMar 20 – May 1July 1 – Aug 1
AmesburyMar 20 – May 1July 1 – Aug 1
Amherst TownMar 20 – May 1July 1 – Aug 1
AttleboroMar 20 – May 1July 1 – Aug 1
Barnstable TownMar 10 – Apr 1Aug 1 – Sept 15
BeverlyMar 20 – May 1July 1 – Aug 1
BostonFeb 20 – Mar 20Sept 1 – Oct 15
Braintree TownMar 10 – Apr 1July 15 – Aug 15
Bridgewater TownMar 20 – May 1July 1 – Aug 1
BrocktonMar 10 – Apr 1July 15 – Aug 15
CambridgeMar 10 – Apr 1July 15 – Aug 15
ChelseaFeb 20 – Mar 20Sept 1 – Oct 15
ChicopeeMar 20 – May 1July 1 – Aug 1
EasthamptonMar 20 – May 1July 1 – Aug 1
EverettFeb 20 – Mar 20Sept 1 – Oct 15
Fall RiverMar 20 – May 1July 1 – Aug 1
FitchburgMar 20 – May 1July 1 – Aug 1
FraminghamMar 20 – May 1July 1 – Aug 1
Franklin TownMar 20 – May 1July 1 – Aug 1
GardnerMar 20 – May 1July 1 – Aug 1
GloucesterMar 20 – May 1July 1 – Aug 1
GreenfieldMar 20 – May 1July 1 – Aug 1
HaverhillMar 20 – May 1July 1 – Aug 1
HolyokeMar 20 – May 1July 1 – Aug 1
LawrenceMar 1 – Apr 1Aug 1 – Sept 15
LeominsterMar 20 – May 1July 1 – Aug 1
LowellMar 20 – May 1July 1 – Aug 1
LynnMar 10 – Apr 1July 15 – Aug 15
MaldenFeb 20 – Mar 20Sept 1 – Oct 15
MarlboroughMar 20 – May 1July 1 – Aug 1
MedfordFeb 20 – Mar 20Sept 1 – Oct 15
MelroseMar 10 – Apr 1July 15 – Aug 15
MethuenMar 1 – Apr 1Aug 1 – Sept 15
New BedfordMar 20 – May 1July 1 – Aug 1
NewburyportMar 20 – May 1July 1 – Aug 1
NewtonMar 10 – Apr 1July 15 – Aug 15
North AdamsApr 1 – June 1June 1 – Aug 1
North Attleborough TownMar 10 – Apr 1July 15 – Aug 15
NorthamptonMar 20 – May 1July 1 – Aug 1
Palmer TownMar 20 – May 1July 1 – Aug 1
PeabodyMar 10 – Apr 1July 15 – Aug 15
PittsfieldMar 20 – May 1June 1 – Aug 1
QuincyMar 10 – Apr 1July 15 – Aug 15
Randolph TownMar 10 – Apr 1Aug 1 – Sept 15
RevereFeb 20 – Mar 20Sept 1 – Oct 15
SalemMar 10 – Apr 1July 15 – Aug 15
SomervilleFeb 20 – Mar 20Sept 1 – Oct 15
Southbridge TownMar 10 – Apr 1July 1 – Aug 1
SpringfieldMar 20 – May 1July 1 – Aug 1
TauntonMar 10 – Apr 1July 15 – Aug 15
WalthamMar 20 – May 1July 1 – Aug 1
WatertownMar 10 – Apr 1July 15 – Aug 15
West Springfield TownMar 20 – May 1July 1 – Aug 1
WestfieldMar 20 – May 1July 1 – Aug 1
Weymouth TownMar 10 – Apr 1July 15 – Aug 15
Winthrop TownFeb 20 – Mar 20Sept 1 – Oct 15
WoburnMar 10 – Apr 1July 15 – Aug 15
WorcesterMar 10 – Apr 1July 15 – Aug 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 turnips.