FrostDateCheck

Bridgeport, CT 06890 Frost Dates

When can you plant in Bridgeport, CT?

Zone 7a

Typically, the last spring freeze lands around 04/05, roughly 220 days out. The first fall frost typically arrives around 11/06, about 216 frost-free days later.

Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Bridgeport, not a forecast for this year.

What to do before the first frost

About 10 weeks of growing season left in Bridgeport before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Bridgeport's last frost

04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Bridgeport compares

At roughly 216 frost-free days, Bridgeport places 13,697 of 40,283 ZIP codes in this dataset. Within CT, it ranks 21 of 391.

Learn more

local microclimates covers what one yard in Bridgeport can differ from the 06890 normal. zone vs. frost date covers why Zone 7a and Bridgeport's frost date answer different questions.