Gratz, KY 40363 Frost Dates
Frost dates for Gratz, KY, ZIP 40363
Typically, the last spring freeze lands around 04/09, roughly 224 days out. The first fall frost typically arrives around 11/01, about 204 frost-free days later.
Zone 6b (-5 to 0°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 Gratz, not a forecast for this year.
What to do before the first frost
Zone 6b around Gratz 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
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gratz compares
Gratz's growing season runs about 204 days, ranking 16,806 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 239 of 909.
Learn more
the frost range explains how to read the range around Gratz's dates instead of trusting one, and local microclimates explains what one yard in Gratz can differ from the 40363 normal.