Allen, KY 41603 Frost Dates
When can you plant in Allen, KY?
Typically, the last spring freeze lands around 04/23, roughly 238 days out. 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
Allen's growing season runs about 183 days, ranking 24,036 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 763 of 909.
Learn more
zone vs. frost date covers why Zone 7a and Allen's frost date answer different questions. the frost range covers how to read the range around Allen's dates instead of trusting one.