Shiloh, OH 44878 Frost Dates
44878, near Shiloh, OH: the frost window
Typically, the last spring freeze lands around 04/26, roughly 241 days out. Fall's first freeze usually shows up around 10/22, roughly 177 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Shiloh 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
Shiloh'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
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Shiloh against the rest of the dataset
Shiloh's growing season runs about 177 days, ranking 26,216 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 943 of 1,383.
Learn more
Two guides worth reading on 44878: zone vs. frost date, on why Zone 6a and Shiloh's frost date answer different questions, and the frost range, on how to read the range around Shiloh's dates instead of trusting one.