FrostDateCheck

Spring Mill, KY 40228 Frost Dates

When can you plant in Spring Mill, KY?

Zone 7a

Around 04/06 is the usual last spring frost, about 221 days away. The first fall frost typically arrives around 11/01, about 209 frost-free days later.

Spring Mill 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 9 weeks of growing season left in Spring Mill 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

04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 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 Spring Mill compares

About 209 days separate Spring Mill's last and first frost, putting it 15,414 of 40,283 ZIP codes nationally. Within KY, it ranks 154 of 909.

Learn more

the frost range covers how to read the range around Spring Mill's dates instead of trusting one. local microclimates covers what one yard in Spring Mill can differ from the 40228 normal.