Mansfield, OH 44905 Frost Dates
When can you plant in Mansfield, OH?
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 10/22, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Mansfield 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 Mansfield before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 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 Mansfield compares
At roughly 177 frost-free days, Mansfield places 26,005 of 40,283 ZIP codes in this dataset. Within OH, it ranks 908 of 1,383.
Learn more
local microclimates covers what one yard in Mansfield can differ from the 44905 normal. zone vs. frost date covers why Zone 6a and Mansfield's frost date answer different questions.