When to plant butternut squash in Connecticut

Butternut squash
Sow outdoors in Bridgeport
Apr 12–Apr 26

Across Connecticut the window opens between April 12 and May 15. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Bridgeport
Apr 12–Apr 26
Last sowing for a harvest
Jul 5
Last frost, Bridgeport
Apr 5

Sow outdoors 1–3 weeks after the last frost. Leave fruit on the vine until the skin is hard and the stem starts to dry.

Butternut squash planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BridgeportApr 12–Apr 26
StamfordApr 24–May 8
New HavenApr 24–May 8
HartfordApr 24–May 8
WaterburyMay 3–May 17
NorwalkApr 24–May 8
DanburyMay 8–May 22
New BritainApr 24–May 8
West HartfordApr 24–May 8
BristolMay 2–May 16
MeridenMay 3–May 17
West HavenApr 24–May 8
MilfordApr 12–Apr 26
East HartfordApr 24–May 8
MiddletownMay 3–May 17
SheltonMay 2–May 16
NorwichApr 21–May 5
ManchesterApr 24–May 8
TorringtonMay 15–May 29
NaugatuckApr 25–May 9
NewingtonApr 24–May 8
New LondonApr 23–May 7
East HavenApr 24–May 8
WethersfieldApr 24–May 8
North HavenApr 25–May 9

Questions

When should I plant butternut squash in Connecticut?

In Bridgeport, sow outdoors from April 12 to April 26. Across Connecticut the window opens between April 12 and May 15, depending on the local last frost.

How is this date worked out?

Sow outdoors 1–3 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Connecticut

Butternut squash in other states

Frost dates for every city in Connecticut