Jackson, KY 41348 Frost Dates
41348, near Jackson, KY: the frost window
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/24, roughly 187 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Jackson in Zone 7a (0 to 5°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
Jackson'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 Jackson's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 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.
Jackson against the rest of the dataset
Jackson's growing season runs about 187 days, ranking 22,425 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 668 of 909.
Learn more
Two guides worth reading on 41348: the frost range, on how to read the range around Jackson's dates instead of trusting one, and local microclimates, on what one yard in Jackson can differ from the 41348 normal.