When to Plant Sweet Potatoes in Connecticut

In a typical Connecticut location, plant outdoors May 2 – May 16. Across the state, the outdoor planting window starts as early as Apr 19 in Bridgeport and as late as May 22 in Torrington.

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
BridgeportApr 19 – May 3
New HavenMay 1 – May 15
StamfordMay 1 – May 15
North StamfordMay 1 – May 15
HartfordMay 1 – May 15
WaterburyMay 10 – May 24
NorwalkMay 1 – May 15
DanburyMay 4 – May 18
East NorwalkMay 1 – May 15
New BritainMay 1 – May 15
West HartfordMay 1 – May 15
BristolMay 9 – May 23
MeridenMay 10 – May 24
HamdenMay 2 – May 16
FairfieldApr 19 – May 3
West HavenMay 1 – May 15
MilfordApr 19 – May 3
StratfordApr 19 – May 3
City of Milford (balance)Apr 19 – May 3
East HartfordMay 1 – May 15
MiddletownMay 10 – May 24
EnfieldMay 5 – May 19
SouthingtonMay 10 – May 24
SheltonMay 9 – May 23
NorwichApr 28 – May 12
TrumbullApr 19 – May 3
West TorringtonMay 22 – Jun 5
TorringtonMay 22 – Jun 5
GlastonburyMay 1 – May 15
NaugatuckMay 2 – May 16

Showing the 30 most populous of 86 Connecticut cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Connecticut cities.

Frequently Asked Questions

When should I plant sweet potatoes in Connecticut?

In a typical Connecticut location, plant outdoors May 2 – May 16. Across the state, the outdoor planting window starts as early as Apr 19 in Bridgeport and as late as May 22 in Torrington.

When is the last frost in Connecticut?

The average last spring frost in Connecticut ranges from April 5 in Bridgeport to May 8 in Torrington, 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 Connecticut

When to plant sweet potatoes in other states

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