Bowling Green, OH 43403 Frost Dates
43403, near Bowling Green, OH: the frost window
Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/21, roughly 179 days after the last spring frost.
Bowling Green sits in USDA Zone 6b (-5 to 0°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.
Stretching the season past the first frost
Bowling Green'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.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 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 179 days, ranking 25,160 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 800 of 1,383.
Learn more
Two guides worth reading on 43403: the frost range, on how to read the range around Bowling Green's dates instead of trusting one, and local microclimates, on what one yard in Bowling Green can differ from the 43403 normal.