Milford, CT 06460 Frost Dates
When can you plant in Milford, CT?
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.
The USDA Plant Hardiness Zone Map puts Milford 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 10 weeks of growing season left in Milford before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Milford'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 Milford compares
About 216 days separate Milford's last and first frost, putting it 13,715 of 40,283 ZIP codes nationally. Within CT, it ranks 22 of 391.
Learn more
the frost range covers how to read the range around Milford's dates instead of trusting one. local microclimates covers what one yard in Milford can differ from the 06460 normal.