Hartford, KY 42347 Frost Dates
When can you plant in Hartford, KY?
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 10/22, about 192 frost-free days later.
Hartford sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 8 weeks of growing season left in Hartford before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/10 isn't a guarantee
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hartford compares
At roughly 192 frost-free days, Hartford places 20,367 of 40,283 ZIP codes in this dataset. Within KY, it ranks 452 of 909.
Learn more
local microclimates covers what one yard in Hartford can differ from the 42347 normal. zone vs. frost date covers why Zone 7a and Hartford's frost date answer different questions.