Grandview Heights, OH 43212 Frost Dates
43212, near Grandview Heights, OH: the frost window
The last spring frost here typically falls around 04/20, about 235 days from today. Fall's first freeze usually shows up around 10/24, roughly 185 days after the last spring frost.
Zone 6b (-5 to 0°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 Grandview Heights, not a forecast for this year.
Stretching the season past the first frost
Grandview Heights'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 04/20 isn't a guarantee
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Grandview Heights against the rest of the dataset
At roughly 185 frost-free days, Grandview Heights places 23,097 of 40,283 ZIP codes in this dataset. Within OH, it ranks 541 of 1,383.
Learn more
Two guides worth reading on 43212: the frost range, on how to read the range around Grandview Heights's dates instead of trusting one, and local microclimates, on what one yard in Grandview Heights can differ from the 43212 normal.