When to plant collard greens in Massachusetts

Collard greens
Plant out in Boston
Mar 7–Mar 21

Across Massachusetts the window opens between March 7 and April 7. Find your city below; the dates follow each town's own average last frost.

Plant out, Boston
Mar 7–Mar 21
Fall planting, Boston
Aug 17–Aug 31
Last frost, Boston
Apr 4

Plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Collards handle both heat and frost better than most greens.

Collard greens planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BostonMar 7–Mar 21
WorcesterMar 26–Apr 9
SpringfieldApr 5–Apr 19
CambridgeMar 22–Apr 5
LowellApr 2–Apr 16
BrocktonMar 25–Apr 8
LynnMar 28–Apr 11
QuincyMar 28–Apr 11
New BedfordApr 1–Apr 15
Fall RiverApr 1–Apr 15
NewtonMar 22–Apr 5
LawrenceMar 16–Mar 30
SomervilleMar 7–Mar 21
FraminghamMar 29–Apr 12
HaverhillApr 3–Apr 17
MaldenMar 7–Mar 21
WalthamMar 31–Apr 14
BrooklineMar 22–Apr 5
TauntonMar 25–Apr 8
RevereMar 7–Mar 21
MedfordMar 7–Mar 21
Weymouth TownMar 28–Apr 11
PeabodyMar 27–Apr 10
ChicopeeApr 5–Apr 19
MethuenMar 16–Mar 30
EverettMar 7–Mar 21
Barnstable TownMar 19–Apr 2
AttleboroMar 30–Apr 13
ArlingtonMar 31–Apr 14
SalemMar 28–Apr 11
All 69 cities
CityPlant outFall plantingLast frost
BostonMar 7 to Mar 21Aug 17 to Aug 31Apr 4
WorcesterMar 26 to Apr 9Jul 29 to Aug 12Apr 23
SpringfieldApr 5 to Apr 19Jul 16 to Jul 30May 3
CambridgeMar 22 to Apr 5Jul 31 to Aug 14Apr 19
LowellApr 2 to Apr 16Jul 18 to Aug 1Apr 30
BrocktonMar 25 to Apr 8Jul 27 to Aug 10Apr 22
LynnMar 28 to Apr 11Jul 28 to Aug 11Apr 25
QuincyMar 28 to Apr 11Jul 30 to Aug 13Apr 25
New BedfordApr 1 to Apr 15Jul 23 to Aug 6Apr 29
Fall RiverApr 1 to Apr 15Jul 23 to Aug 6Apr 29
NewtonMar 22 to Apr 5Jul 31 to Aug 14Apr 19
LawrenceMar 16 to Mar 30Aug 5 to Aug 19Apr 13
SomervilleMar 7 to Mar 21Aug 17 to Aug 31Apr 4
FraminghamMar 29 to Apr 12Jul 20 to Aug 3Apr 26
HaverhillApr 3 to Apr 17Jul 20 to Aug 3May 1
MaldenMar 7 to Mar 21Aug 17 to Aug 31Apr 4
WalthamMar 31 to Apr 14Jul 18 to Aug 1Apr 28
BrooklineMar 22 to Apr 5Jul 31 to Aug 14Apr 19
TauntonMar 25 to Apr 8Jul 27 to Aug 10Apr 22
RevereMar 7 to Mar 21Aug 17 to Aug 31Apr 4
MedfordMar 7 to Mar 21Aug 17 to Aug 31Apr 4
Weymouth TownMar 28 to Apr 11Jul 30 to Aug 13Apr 25
PeabodyMar 27 to Apr 10Jul 25 to Aug 8Apr 24
ChicopeeApr 5 to Apr 19Jul 16 to Jul 30May 3
MethuenMar 16 to Mar 30Aug 5 to Aug 19Apr 13
EverettMar 7 to Mar 21Aug 17 to Aug 31Apr 4
Barnstable TownMar 19 to Apr 2Aug 7 to Aug 21Apr 16
AttleboroMar 30 to Apr 13Jul 23 to Aug 6Apr 27
ArlingtonMar 31 to Apr 14Jul 18 to Aug 1Apr 28
SalemMar 28 to Apr 11Jul 28 to Aug 11Apr 25
LeominsterApr 1 to Apr 15Jul 19 to Aug 2Apr 29
WoburnMar 28 to Apr 11Jul 25 to Aug 8Apr 25
BeverlyApr 6 to Apr 20Jul 20 to Aug 3May 4
PittsfieldApr 7 to Apr 21Jul 13 to Jul 27May 5
MarlboroughApr 4 to Apr 18Jul 14 to Jul 28May 2
FitchburgApr 3 to Apr 17Jul 17 to Jul 31May 1
Amherst TownApr 7 to Apr 21Jul 16 to Jul 30May 5
WestfieldApr 5 to Apr 19Jul 16 to Jul 30May 3
ChelseaMar 7 to Mar 21Aug 17 to Aug 31Apr 4
Braintree TownMar 28 to Apr 11Jul 30 to Aug 13Apr 25
HolyokeApr 5 to Apr 19Jul 16 to Jul 30May 3
WatertownMar 22 to Apr 5Jul 31 to Aug 14Apr 19
Randolph TownMar 21 to Apr 4Aug 3 to Aug 17Apr 18
LexingtonMar 31 to Apr 14Jul 18 to Aug 1Apr 28
Franklin TownApr 2 to Apr 16Jul 17 to Jul 31Apr 30
NeedhamMar 29 to Apr 12Jul 20 to Aug 3Apr 26
North Attleborough TownMar 25 to Apr 8Jul 27 to Aug 10Apr 22
NorwoodMar 28 to Apr 11Jul 17 to Jul 31Apr 25
NorthamptonApr 7 to Apr 21Jul 16 to Jul 30May 5
GloucesterApr 6 to Apr 20Jul 20 to Aug 3May 4
WellesleyMar 29 to Apr 12Jul 20 to Aug 3Apr 26
MelroseMar 28 to Apr 11Jul 25 to Aug 8Apr 25
Bridgewater TownApr 3 to Apr 17Jul 17 to Jul 31May 1
West Springfield TownApr 5 to Apr 19Jul 16 to Jul 30May 3
Agawam TownApr 5 to Apr 19Jul 16 to Jul 30May 3
SaugusMar 28 to Apr 11Jul 25 to Aug 8Apr 25
MiltonMar 21 to Apr 4Aug 3 to Aug 17Apr 18
DanversMar 27 to Apr 10Jul 25 to Aug 8Apr 24
MilfordApr 2 to Apr 16Jul 17 to Jul 31Apr 30
WakefieldMar 28 to Apr 11Jul 25 to Aug 8Apr 25
BelmontMar 22 to Apr 5Jul 31 to Aug 14Apr 19
BurlingtonMar 28 to Apr 11Jul 25 to Aug 8Apr 25
ReadingMar 28 to Apr 11Jul 25 to Aug 8Apr 25
DedhamMar 28 to Apr 11Jul 17 to Jul 31Apr 25
WilmingtonMar 28 to Apr 11Jul 25 to Aug 8Apr 25
StonehamMar 28 to Apr 11Jul 25 to Aug 8Apr 25
WinchesterMar 28 to Apr 11Jul 25 to Aug 8Apr 25
GardnerApr 4 to Apr 18Jul 21 to Aug 4May 2
MarbleheadMar 28 to Apr 11Jul 28 to Aug 11Apr 25

Questions

When should I plant collard greens in Massachusetts?

In Boston, plant out from March 7 to March 21. Across Massachusetts the window opens between March 7 and April 7, depending on the local last frost.

How is this date worked out?

Plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Massachusetts

Collard greens in other states

Frost dates for every city in Massachusetts