Stamford, CT 06926 Frost Dates
When can you plant in Stamford, CT?
The last spring frost here typically falls around 04/17, about 232 days from today. The first fall frost typically arrives around 10/23, about 188 frost-free days later.
The USDA Plant Hardiness Zone Map puts Stamford in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 8 weeks of growing season left in Stamford 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
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Stamford compares
About 188 days separate Stamford's last and first frost, putting it 21,804 of 40,283 ZIP codes nationally. Within CT, it ranks 217 of 391.
Learn more
local microclimates covers what one yard in Stamford can differ from the 06926 normal. zone vs. frost date covers why Zone 7a and Stamford's frost date answer different questions.