Oak Grove, KY 42223 Frost Dates
Frost dates for Oak Grove, KY, ZIP 42223
Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 10/28, about 204 frost-free days later.
Oak Grove 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 Oak Grove 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
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oak Grove compares
Oak Grove's growing season runs about 204 days, ranking 16,551 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 213 of 909.
Learn more
local microclimates explains what one yard in Oak Grove can differ from the 42223 normal, and zone vs. frost date explains why Zone 7a and Oak Grove's frost date answer different questions.