Milan, OH 44846 Frost Dates
When can you plant in Milan, OH?
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 11/05, about 209 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 Milan, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Milan 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
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Milan compares
About 209 days separate Milan's last and first frost, putting it 15,305 of 40,283 ZIP codes nationally. Within OH, it ranks 51 of 1,383.
Learn more
local microclimates covers what one yard in Milan can differ from the 44846 normal. zone vs. frost date covers why Zone 6b and Milan's frost date answer different questions.