Hyden, KY 40868 Frost Dates
Frost dates for Hyden, KY, ZIP 40868
Typically, the last spring freeze lands around 04/19, roughly 234 days out. The first fall frost typically arrives around 10/25, about 188 frost-free days later.
The USDA Plant Hardiness Zone Map puts Hyden in Zone 7a (0 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 7a around Hyden has about 8 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
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hyden compares
Hyden's growing season runs about 188 days, ranking 22,192 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 630 of 909.
Learn more
the frost range explains how to read the range around Hyden's dates instead of trusting one, and local microclimates explains what one yard in Hyden can differ from the 40868 normal.