Milton Center, OH 43541 Frost Dates
43541, near Milton Center, OH: the frost window
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/21, roughly 179 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Milton Center in Zone 6a (-10 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
Milton Center'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.
Milton Center against the rest of the dataset
Milton Center's growing season runs about 179 days, ranking 25,516 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 821 of 1,383.
Learn more
Two guides worth reading on 43541: local microclimates, on what one yard in Milton Center can differ from the 43541 normal, and zone vs. frost date, on why Zone 6a and Milton Center's frost date answer different questions.