Grandview Heights, OH 43251 Frost Dates
Frost dates for Grandview Heights, OH, ZIP 43251
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.
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.
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.
Why 04/20 isn't a guarantee
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
About 185 days separate Grandview Heights's last and first frost, putting it 23,103 of 40,283 ZIP codes nationally. Within OH, it ranks 547 of 1,383.
Learn more
local microclimates explains what one yard in Grandview Heights can differ from the 43251 normal, and zone vs. frost date explains why Zone 6b and Grandview Heights's frost date answer different questions.