New Britain, CT 06050 Frost Dates
When can you plant in New Britain, CT?
Typically, the last spring freeze lands around 04/17, roughly 232 days out. The first fall frost typically arrives around 10/26, about 191 frost-free days later.
Zone 6b (-5 to 0°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 New Britain, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in New Britain before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around New Britain's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Britain compares
At roughly 191 frost-free days, New Britain places 20,682 of 40,283 ZIP codes in this dataset. Within CT, it ranks 191 of 391.
Learn more
the frost range covers how to read the range around New Britain's dates instead of trusting one. local microclimates covers what one yard in New Britain can differ from the 06050 normal.