Bowling Green, KY 42102 Frost Dates
42102, near Bowling Green, KY: the frost window
Typically, the last spring freeze lands around 04/05, roughly 220 days out. Fall's first freeze usually shows up around 10/31, roughly 208 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bowling Green 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
Bowling Green'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 04/05 isn't a guarantee
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Bowling Green against the rest of the dataset
Bowling Green's growing season runs about 208 days, ranking 15,513 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 156 of 909.
Learn more
Two guides worth reading on 42102: local microclimates, on what one yard in Bowling Green can differ from the 42102 normal, and zone vs. frost date, on why Zone 7a and Bowling Green's frost date answer different questions.