Bantam, CT 06750 Frost Dates
When can you plant in Bantam, CT?
The last spring frost here typically falls around 05/08, about 253 days from today. The first fall frost typically arrives around 10/05, about 151 frost-free days later.
Zone 6a (-10 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 Bantam, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Bantam before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/08 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bantam compares
About 151 days separate Bantam's last and first frost, putting it 35,110 of 40,283 ZIP codes nationally. Within CT, it ranks 387 of 391.
Learn more
local microclimates covers what one yard in Bantam can differ from the 06750 normal. zone vs. frost date covers why Zone 6a and Bantam's frost date answer different questions.