FrostDateCheck

Lexington-Fayette urban county, KY 40591 Frost Dates

Frost dates for Lexington-Fayette urban county, KY, ZIP 40591

Zone 7a

Around 04/13 is the usual last spring frost, about 228 days away. The first fall frost typically arrives around 10/28, about 196 frost-free days later.

Lexington-Fayette urban county sits in USDA Zone 7a (0 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

Zone 7a around Lexington-Fayette urban county 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.

Why 04/13 isn't a guarantee

04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Lexington-Fayette urban county compares

Lexington-Fayette urban county's growing season runs about 196 days, ranking 18,895 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 375 of 909.

Learn more

zone vs. frost date explains why Zone 7a and Lexington-Fayette urban county's frost date answer different questions, and the frost range explains how to read the range around Lexington-Fayette urban county's dates instead of trusting one.