Lyons, OH 49279 Frost Dates
49279, near Lyons, OH: the frost window
The last spring frost here typically falls around 04/27, about 242 days from today. Fall's first freeze usually shows up around 10/20, roughly 173 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Lyons, not a forecast for this year.
Stretching the season past the first frost
Lyons'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 04/27 isn't a guarantee
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Lyons against the rest of the dataset
About 173 days separate Lyons's last and first frost, putting it 28,034 of 40,283 ZIP codes nationally. Within OH, it ranks 1,102 of 1,383.
Learn more
Two guides worth reading on 49279: the frost range, on how to read the range around Lyons's dates instead of trusting one, and local microclimates, on what one yard in Lyons can differ from the 49279 normal.