Forest Park, OH 45252 Frost Dates
45252, near Forest Park, OH: the frost window
The last spring frost here typically falls around 04/19, about 234 days from today. Fall's first freeze usually shows up around 10/22, roughly 186 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Forest Park 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
Forest Park'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 Forest Park's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Forest Park against the rest of the dataset
About 186 days separate Forest Park's last and first frost, putting it 22,736 of 40,283 ZIP codes nationally. Within OH, it ranks 468 of 1,383.
Learn more
Two guides worth reading on 45252: local microclimates, on what one yard in Forest Park can differ from the 45252 normal, and zone vs. frost date, on why Zone 6b and Forest Park's frost date answer different questions.