FrostDateCheck

Jackson, KY 41385 Frost Dates

When can you plant in Jackson, KY?

Zone 7a

Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 11/01, about 208 frost-free days later.

Jackson 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 Jackson 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 03/21 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jackson compares

Jackson's growing season runs about 208 days, ranking 15,653 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 163 of 909.

Learn more

local microclimates covers what one yard in Jackson can differ from the 41385 normal. zone vs. frost date covers why Zone 7a and Jackson's frost date answer different questions.