When to plant Garlic in Massachusetts

In spring, from Feb 10 – Mar 10 in Boston to Apr 1 – May 1 in North Adams.

In fall, Aug 1 – Oct 1.

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

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

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for garlic.