Grandview Heights, OH 43287 Frost Dates
Grandview Heights, OH: when does the frost end?
Around 04/20 is the usual last spring frost, about 235 days away. Fall's first freeze usually shows up around 10/24, roughly 185 days after the last spring frost.
Grandview Heights sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 8 weeks until Grandview Heights's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
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
Grandview Heights's growing season runs about 185 days, ranking 23,111 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 555 of 1,383.
Learn more
Before leaning on 43287's figures: local microclimates explains what one yard in Grandview Heights can differ from the 43287 normal, while zone vs. frost date explains why Zone 6b and Grandview Heights's frost date answer different questions.