Lima, OH 45801 Frost Dates
When can you plant in Lima, OH?
Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/22, about 181 frost-free days later.
Lima sits in USDA Zone 6a (-10 to -5°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 Lima before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Lima's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 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 Lima compares
At roughly 181 frost-free days, Lima places 24,442 of 40,283 ZIP codes in this dataset. Within OH, it ranks 755 of 1,383.
Learn more
the frost range covers how to read the range around Lima's dates instead of trusting one. local microclimates covers what one yard in Lima can differ from the 45801 normal.