Rossford, OH 43460 Frost Dates
When can you plant in Rossford, OH?
Typically, the last spring freeze lands around 04/20, roughly 235 days out. The first fall frost typically arrives around 10/27, about 188 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 Rossford, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Rossford 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
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rossford compares
At roughly 188 frost-free days, Rossford places 21,970 of 40,283 ZIP codes in this dataset. Within OH, it ranks 375 of 1,383.
Learn more
local microclimates covers what one yard in Rossford can differ from the 43460 normal. zone vs. frost date covers why Zone 6b and Rossford's frost date answer different questions.