FrostCal

When to Plant Zucchini in Massachusetts

In a typical Massachusetts location, start seeds indoors Apr 4 – Apr 11, then sow outdoors May 2 – May 16, then transplant outdoors May 2 – May 9. Across the state, the outdoor planting window starts as early as Apr 11 in Boston and as late as May 17 in North Adams.

Method Direct sow
Days to maturity 45–55 days

Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.

Zucchini Planting Dates by City

CityStart indoorsDirect sowTransplant
BostonMar 14 – Mar 21Apr 11 – Apr 25Apr 11 – Apr 18
WorcesterApr 2 – Apr 9Apr 30 – May 14Apr 30 – May 7
SpringfieldApr 12 – Apr 19May 10 – May 24May 10 – May 17
LowellApr 9 – Apr 16May 7 – May 21May 7 – May 14
CambridgeMar 14 – Mar 21Apr 11 – Apr 25Apr 11 – Apr 18
New BedfordMar 21 – Mar 28Apr 18 – May 2Apr 18 – Apr 25
DorchesterMar 29 – Apr 5Apr 26 – May 10Apr 26 – May 3
BrocktonApr 1 – Apr 8Apr 29 – May 13Apr 29 – May 6
Fall RiverMar 21 – Mar 28Apr 18 – May 2Apr 18 – Apr 25
QuincyApr 4 – Apr 11May 2 – May 16May 2 – May 9
LynnApr 4 – Apr 11May 2 – May 16May 2 – May 9
NewtonMar 29 – Apr 5Apr 26 – May 10Apr 26 – May 3
SomervilleMar 14 – Mar 21Apr 11 – Apr 25Apr 11 – Apr 18
LawrenceMar 23 – Mar 30Apr 20 – May 4Apr 20 – Apr 27
FraminghamApr 5 – Apr 12May 3 – May 17May 3 – May 10
Framingham CenterApr 5 – Apr 12May 3 – May 17May 3 – May 10
WalthamApr 7 – Apr 14May 5 – May 19May 5 – May 12
HaverhillApr 10 – Apr 17May 8 – May 22May 8 – May 15
MaldenMar 14 – Mar 21Apr 11 – Apr 25Apr 11 – Apr 18
BrooklineMar 29 – Apr 5Apr 26 – May 10Apr 26 – May 3
MedfordMar 14 – Mar 21Apr 11 – Apr 25Apr 11 – Apr 18
TauntonApr 1 – Apr 8Apr 29 – May 13Apr 29 – May 6
ChicopeeApr 12 – Apr 19May 10 – May 24May 10 – May 17
North ChicopeeApr 12 – Apr 19May 10 – May 24May 10 – May 17
WeymouthApr 4 – Apr 11May 2 – May 16May 2 – May 9
RevereMar 14 – Mar 21Apr 11 – Apr 25Apr 11 – Apr 18
PeabodyApr 4 – Apr 11May 2 – May 16May 2 – May 9
MethuenMar 23 – Mar 30Apr 20 – May 4Apr 20 – Apr 27
South PeabodyApr 4 – Apr 11May 2 – May 16May 2 – May 9
BarnstableApr 1 – Apr 8Apr 29 – May 13Apr 29 – May 6

Showing the 30 most populous of 183 Massachusetts cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Massachusetts cities.

Frequently Asked Questions

When should I plant zucchini in Massachusetts?

In a typical Massachusetts location, start seeds indoors Apr 4 – Apr 11, then sow outdoors May 2 – May 16, then transplant outdoors May 2 – May 9. Across the state, the outdoor planting window starts as early as Apr 11 in Boston and as late as May 17 in North Adams.

When is the last frost in Massachusetts?

The average last spring frost in Massachusetts ranges from April 4 in Boston to May 10 in North Adams, based on NOAA 1991–2020 climate normals.

How long do zucchini take to grow?

Zucchini typically take 45–55 days from planting to harvest. Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.

Other Crops in Massachusetts

When to plant zucchini in other states

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