When to plant Cauliflower in Connecticut

In spring, from Mar 1 – 20 in Bridgeport to Apr 15 – May 15 in Torrington.

In fall, from May 10 – July 15 in Torrington to Aug 1 – Sept 1 in Milford.

Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Cauliflower planting dates by place in Connecticut
PlaceSpringFall
AnsoniaMar 15 – Apr 20July 1 – Aug 5
BridgeportMar 1 – 20Aug 1 – Sept 1
BristolMar 15 – Apr 20July 1 – Aug 5
DanburyApr 10 – May 10June 1 – July 25
DerbyMar 15 – Apr 20July 1 – Aug 5
GrotonMar 15 – Apr 20July 15 – Aug 15
HartfordMar 15 – Apr 20July 15 – Aug 15
MeridenApr 10 – May 10July 1 – Aug 5
MiddletownApr 10 – May 10July 1 – Aug 5
MilfordMar 1 – 20Aug 1 – Sept 1
NaugatuckMar 15 – Apr 20July 15 – Aug 15
New BritainMar 15 – Apr 20July 15 – Aug 15
New HavenMar 15 – Apr 20July 15 – Aug 15
New LondonMar 15 – Apr 20July 15 – Aug 15
NorwalkMar 15 – Apr 20July 1 – Aug 5
NorwichMar 1 – 20July 1 – Aug 5
SheltonMar 15 – Apr 20July 1 – Aug 5
StamfordMar 15 – Apr 20July 1 – Aug 5
TorringtonApr 15 – May 15May 10 – July 15
WaterburyApr 10 – May 10July 1 – Aug 5
West HavenMar 15 – Apr 20July 15 – Aug 15

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for cauliflower.