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Frost dates and growing zones in Connecticut

3 town pages so far. Zones from the 2023 USDA Plant Hardiness Zone Map, frost dates from NOAA 1991-2020 normals at the nearest weather station.

Towns covered so far in Connecticut fall in USDA zones 6b, 7a. Median dates mean frost comes later (spring) or earlier (fall) in half of years.

Towns

Town	Zone	Median last frost	Median first frost
Stamford	7a	Apr 17	Oct 23
Hartford	6b	Apr 17	Oct 26
Norwalk	7a	Apr 17	Oct 23