Lexington, TN 38351 Frost Dates
Frost dates for Lexington, TN, ZIP 38351
The last spring frost here typically falls around 04/05, about 220 days from today. The first fall frost typically arrives around 10/30, about 208 frost-free days later.
Lexington sits in USDA Zone 7b (5 to 10°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
Zone 7b around Lexington has about 9 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
04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/17 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lexington compares
About 208 days separate Lexington's last and first frost, putting it 15,566 of 40,283 ZIP codes nationally. Within TN, it ranks 358 of 770.
Learn more
zone vs. frost date explains why Zone 7b 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.