FrostCal

When to Plant Sweet Potatoes in Vermont

In a typical Vermont location, plant outdoors May 23 – Jun 6. Across the state, the outdoor planting window starts as early as May 13 in Burlington and as late as Jun 3 in Morristown.

Method Plant out (slips, crowns, or tubers)
Days to maturity 90–120 days

Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.

Sweet Potatoes Planting Dates by City

CityPlant outdoors
BurlingtonMay 13 – May 27
South BurlingtonMay 13 – May 27
ColchesterMay 16 – May 30
RutlandMay 29 – Jun 12
Essex JunctionMay 16 – May 30
HartfordMay 23 – Jun 6
BenningtonMay 25 – Jun 8
BarreMay 30 – Jun 13
WillistonMay 13 – May 27
MontpelierMay 19 – Jun 2
St JohnsburyMay 27 – Jun 10
BrattleboroMay 28 – Jun 11
WinooskiMay 13 – May 27
Saint AlbansMay 15 – May 29
Middlebury (village)May 19 – Jun 2
Saint JohnsburyMay 27 – Jun 10
MorristownJun 3 – Jun 17
LyndonMay 27 – Jun 10
RockinghamMay 23 – Jun 6
NewportMay 28 – Jun 11

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 sweet potatoes in Vermont?

In a typical Vermont location, plant outdoors May 23 – Jun 6. Across the state, the outdoor planting window starts as early as May 13 in Burlington and as late as Jun 3 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 sweet potatoes take to grow?

Sweet Potatoes typically take 90–120 days from planting to harvest. Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.

Other Crops in Vermont

When to plant sweet potatoes in other states

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