Lexington, OH 43349 Frost Dates
Frost dates for Lexington, OH, ZIP 43349
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/15, about 167 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lexington in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Lexington has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lexington compares
Lexington's growing season runs about 167 days, ranking 29,952 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 1,260 of 1,383.
Learn more
zone vs. frost date explains why Zone 6a and Lexington's frost date answer different questions, and the frost range explains how to read the range around Lexington's dates instead of trusting one.