Jackson, AL 36548 Frost Dates
When can you plant in Jackson, AL?
Typically, the last spring freeze lands around 03/18, roughly 202 days out. The first fall frost typically arrives around 11/12, about 239 frost-free days later.
Jackson sits in USDA Zone 8b (15 to 20°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 11 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.
Why 03/18 isn't a guarantee
03/18 is the middle of 30 years of NOAA records, not a promise. Plant by 02/25 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jackson compares
Jackson's growing season runs about 239 days, ranking 8,824 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 323 of 809.
Learn more
zone vs. frost date covers why Zone 8b and Jackson's frost date answer different questions. the frost range covers how to read the range around Jackson's dates instead of trusting one.