FrostDateCheck

Madeira, OH 45243 Frost Dates

When can you plant in Madeira, OH?

Zone 6b

Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/25, about 190 frost-free days later.

Madeira sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 8 weeks of growing season left in Madeira 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

04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Madeira compares

At roughly 190 frost-free days, Madeira places 21,104 of 40,283 ZIP codes in this dataset. Within OH, it ranks 317 of 1,383.

Learn more

local microclimates covers what one yard in Madeira can differ from the 45243 normal. zone vs. frost date covers why Zone 6b and Madeira's frost date answer different questions.