Frankfort, KY 40621 Frost Dates
When can you plant in Frankfort, KY?
The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 10/24, about 192 frost-free days later.
The USDA Plant Hardiness Zone Map puts Frankfort in Zone 6b (-5 to 0°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
About 8 weeks of growing season left in Frankfort before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Frankfort compares
About 192 days separate Frankfort's last and first frost, putting it 20,176 of 40,283 ZIP codes nationally. Within KY, it ranks 428 of 909.
Learn more
local microclimates covers what one yard in Frankfort can differ from the 40621 normal. zone vs. frost date covers why Zone 6b and Frankfort's frost date answer different questions.