When to plant cucumbers in Connecticut

Cucumbers
Plant out in Bridgeport
Apr 19–Apr 26

Across Connecticut the window opens between April 19 and May 22. Find your city below; the dates follow each town's own average last frost.

Start indoors, Bridgeport
Mar 8–Mar 15
Plant out, Bridgeport
Apr 19–Apr 26
Sow outdoors, Bridgeport
Apr 12–Apr 26
Last sowing for a harvest
Aug 14
Last frost, Bridgeport
Apr 5

Start seeds indoors 3–4 weeks before the last frost; plant out 2–3 weeks after the last frost; sow outdoors 1–3 weeks after the last frost. Cucumbers rot in cold soil. Sow when the soil is at least 65°F.

Cucumbers planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BridgeportApr 19–Apr 26
StamfordMay 1–May 8
New HavenMay 1–May 8
HartfordMay 1–May 8
WaterburyMay 10–May 17
NorwalkMay 1–May 8
DanburyMay 15–May 22
New BritainMay 1–May 8
West HartfordMay 1–May 8
BristolMay 9–May 16
MeridenMay 10–May 17
West HavenMay 1–May 8
MilfordApr 19–Apr 26
East HartfordMay 1–May 8
MiddletownMay 10–May 17
SheltonMay 9–May 16
NorwichApr 28–May 5
ManchesterMay 1–May 8
TorringtonMay 22–May 29
NaugatuckMay 2–May 9
NewingtonMay 1–May 8
New LondonApr 30–May 7
East HavenMay 1–May 8
WethersfieldMay 1–May 8
North HavenMay 2–May 9

Questions

When should I plant cucumbers in Connecticut?

In Bridgeport, plant out from April 19 to April 26. Across Connecticut the window opens between April 19 and May 22, depending on the local last frost.

How is this date worked out?

Start seeds indoors 3–4 weeks before the last frost; plant out 2–3 weeks after the last frost; 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

Cucumbers in other states

Frost dates for every city in Connecticut