Granville, OH 43058 Frost Dates
43058, near Granville, OH: the frost window
The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/18, roughly 178 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 Granville, not a forecast for this year.
Stretching the season past the first frost
Granville's growing season runs out in roughly 7 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
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 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.
Granville against the rest of the dataset
Granville's growing season runs about 178 days, ranking 25,678 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 846 of 1,383.
Learn more
Two guides worth reading on 43058: local microclimates, on what one yard in Granville can differ from the 43058 normal, and zone vs. frost date, on why Zone 6a and Granville's frost date answer different questions.