Wooster, OH 44691 Frost Dates
When can you plant in Wooster, OH?
The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/21, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wooster in Zone 6a (-10 to -5°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
About 8 weeks of growing season left in Wooster before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Wooster's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wooster compares
About 177 days separate Wooster's last and first frost, putting it 26,030 of 40,283 ZIP codes nationally. Within OH, it ranks 909 of 1,383.
Learn more
local microclimates covers what one yard in Wooster can differ from the 44691 normal. zone vs. frost date covers why Zone 6a and Wooster's frost date answer different questions.