Toledo, OH 43601 Frost Dates
Frost dates for Toledo, OH, ZIP 43601
Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/27, about 188 frost-free days later.
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 Toledo, not a forecast for this year.
What to do before the first frost
Zone 6b around Toledo has about 9 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 Toledo'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 Toledo compares
Toledo's growing season runs about 188 days, ranking 21,776 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 355 of 1,383.
Learn more
local microclimates explains what one yard in Toledo can differ from the 43601 normal, and zone vs. frost date explains why Zone 6b and Toledo's frost date answer different questions.