FrostCal

When to Plant Zucchini in Vermont

In a typical Vermont location, start seeds indoors Apr 18 – Apr 25, then sow outdoors May 16 – May 30, then transplant outdoors May 16 – May 23. Across the state, the outdoor planting window starts as early as May 6 in Burlington and as late as May 27 in Morristown.

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
BurlingtonApr 8 – Apr 15May 6 – May 20May 6 – May 13
South BurlingtonApr 8 – Apr 15May 6 – May 20May 6 – May 13
ColchesterApr 11 – Apr 18May 9 – May 23May 9 – May 16
RutlandApr 24 – May 1May 22 – Jun 5May 22 – May 29
Essex JunctionApr 11 – Apr 18May 9 – May 23May 9 – May 16
HartfordApr 18 – Apr 25May 16 – May 30May 16 – May 23
BenningtonApr 20 – Apr 27May 18 – Jun 1May 18 – May 25
BarreApr 25 – May 2May 23 – Jun 6May 23 – May 30
WillistonApr 8 – Apr 15May 6 – May 20May 6 – May 13
MontpelierApr 14 – Apr 21May 12 – May 26May 12 – May 19
St JohnsburyApr 22 – Apr 29May 20 – Jun 3May 20 – May 27
BrattleboroApr 23 – Apr 30May 21 – Jun 4May 21 – May 28
WinooskiApr 8 – Apr 15May 6 – May 20May 6 – May 13
Saint AlbansApr 10 – Apr 17May 8 – May 22May 8 – May 15
Middlebury (village)Apr 14 – Apr 21May 12 – May 26May 12 – May 19
Saint JohnsburyApr 22 – Apr 29May 20 – Jun 3May 20 – May 27
MorristownApr 29 – May 6May 27 – Jun 10May 27 – Jun 3
LyndonApr 22 – Apr 29May 20 – Jun 3May 20 – May 27
RockinghamApr 18 – Apr 25May 16 – May 30May 16 – May 23
NewportApr 23 – Apr 30May 21 – Jun 4May 21 – May 28

Showing the 20 most populous of 20 Vermont cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Vermont cities.

Frequently Asked Questions

When should I plant zucchini in Vermont?

In a typical Vermont location, start seeds indoors Apr 18 – Apr 25, then sow outdoors May 16 – May 30, then transplant outdoors May 16 – May 23. Across the state, the outdoor planting window starts as early as May 6 in Burlington and as late as May 27 in Morristown.

When is the last frost in Vermont?

The average last spring frost in Vermont ranges from April 29 in Burlington to May 20 in Morristown, 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 Vermont

When to plant zucchini in other states

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