Toronto, OH 43964 Frost Dates
When can you plant in Toronto, OH?
The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/28, about 186 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 Toronto, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Toronto before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Toronto's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Toronto compares
About 186 days separate Toronto's last and first frost, putting it 22,776 of 40,283 ZIP codes nationally. Within OH, it ranks 482 of 1,383.
Learn more
local microclimates covers what one yard in Toronto can differ from the 43964 normal. zone vs. frost date covers why Zone 6b and Toronto's frost date answer different questions.