Wilmore, KY 40390 Frost Dates
40390, near Wilmore, KY: the frost window
Around 04/07 is the usual last spring frost, about 222 days away. Fall's first freeze usually shows up around 11/01, roughly 206 days after the last spring frost.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Wilmore, not a forecast for this year.
Stretching the season past the first frost
Wilmore's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Wilmore against the rest of the dataset
At roughly 206 frost-free days, Wilmore places 15,998 of 40,283 ZIP codes in this dataset. Within KY, it ranks 195 of 909.
Learn more
Two guides worth reading on 40390: local microclimates, on what one yard in Wilmore can differ from the 40390 normal, and zone vs. frost date, on why Zone 7a and Wilmore's frost date answer different questions.