Allen, KY 41621 Frost Dates
When can you plant in Allen, KY?
The last spring frost here typically falls around 04/23, about 238 days from today. The first fall frost typically arrives around 10/23, about 183 frost-free days later.
Allen 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
About 8 weeks of growing season left in Allen before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/23 isn't a guarantee
04/23 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. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Allen compares
About 183 days separate Allen's last and first frost, putting it 24,037 of 40,283 ZIP codes nationally. Within KY, it ranks 764 of 909.
Learn more
local microclimates covers what one yard in Allen can differ from the 41621 normal. zone vs. frost date covers why Zone 7a and Allen's frost date answer different questions.