Grandview Heights, OH 43291 Frost Dates
Frost dates for Grandview Heights, OH, ZIP 43291
Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/24, about 185 frost-free days later.
The USDA Plant Hardiness Zone Map puts Grandview Heights in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b around Grandview Heights has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Grandview Heights's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grandview Heights compares
At roughly 185 frost-free days, Grandview Heights places 23,112 of 40,283 ZIP codes in this dataset. Within OH, it ranks 556 of 1,383.
Learn more
the frost range explains how to read the range around Grandview Heights's dates instead of trusting one, and local microclimates explains what one yard in Grandview Heights can differ from the 43291 normal.