Frankfort, KY 40619 Frost Dates
40619, near Frankfort, KY: the frost window
Typically, the last spring freeze lands around 04/15, roughly 230 days out. Fall's first freeze usually shows up around 10/24, roughly 192 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Frankfort in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Frankfort's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Frankfort's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Frankfort against the rest of the dataset
Frankfort's growing season runs about 192 days, ranking 20,174 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 426 of 909.
Learn more
Two guides worth reading on 40619: local microclimates, on what one yard in Frankfort can differ from the 40619 normal, and zone vs. frost date, on why Zone 6b and Frankfort's frost date answer different questions.