Alliance, OH 44640 Frost Dates
When can you plant in Alliance, OH?
The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/26, about 184 frost-free days later.
Zone 6a (-10 to -5°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 Alliance, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Alliance before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Alliance compares
Alliance's growing season runs about 184 days, ranking 23,446 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 613 of 1,383.
Learn more
zone vs. frost date covers why Zone 6a and Alliance's frost date answer different questions. the frost range covers how to read the range around Alliance's dates instead of trusting one.