Moraine, OH 45439 Frost Dates
45439, near Moraine, OH: the frost window
The last spring frost here typically falls around 04/17, about 232 days from today. Fall's first freeze usually shows up around 10/26, roughly 192 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Moraine 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
Moraine'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.
How much risk comes with planting early here
04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Moraine against the rest of the dataset
Moraine's growing season runs about 192 days, ranking 20,267 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 232 of 1,383.
Learn more
Two guides worth reading on 45439: the frost range, on how to read the range around Moraine's dates instead of trusting one, and local microclimates, on what one yard in Moraine can differ from the 45439 normal.