When to plant leeks in Connecticut

Leeks
Plant out in Bridgeport
Mar 22–Apr 5

Across Connecticut the window opens between March 22 and April 24. Find your city below; the dates follow each town's own average last frost.

Start indoors, Bridgeport
Jan 11–Jan 25
Plant out, Bridgeport
Mar 22–Apr 5
Last frost, Bridgeport
Apr 5

Start seeds indoors 10–12 weeks before the last frost; plant out up to 2 weeks before the last frost. Plant leeks deep in a trench and fill it in as they grow to get long white stems.

Leeks planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BridgeportMar 22–Apr 5
StamfordApr 3–Apr 17
New HavenApr 3–Apr 17
HartfordApr 3–Apr 17
WaterburyApr 12–Apr 26
NorwalkApr 3–Apr 17
DanburyApr 17–May 1
New BritainApr 3–Apr 17
West HartfordApr 3–Apr 17
BristolApr 11–Apr 25
MeridenApr 12–Apr 26
West HavenApr 3–Apr 17
MilfordMar 22–Apr 5
East HartfordApr 3–Apr 17
MiddletownApr 12–Apr 26
SheltonApr 11–Apr 25
NorwichMar 31–Apr 14
ManchesterApr 3–Apr 17
TorringtonApr 24–May 8
NaugatuckApr 4–Apr 18
NewingtonApr 3–Apr 17
New LondonApr 2–Apr 16
East HavenApr 3–Apr 17
WethersfieldApr 3–Apr 17
North HavenApr 4–Apr 18

Questions

When should I plant leeks in Connecticut?

In Bridgeport, plant out from March 22 to April 5. Across Connecticut the window opens between March 22 and April 24, depending on the local last frost.

How is this date worked out?

Start seeds indoors 10–12 weeks before the last frost; plant out up to 2 weeks before the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Connecticut

Leeks in other states

Frost dates for every city in Connecticut