Louisville, AL 36048 Frost Dates
When can you plant in Louisville, AL?
Around 03/11 is the usual last spring frost, about 195 days away. The first fall frost typically arrives around 11/19, about 254 frost-free days later.
The USDA Plant Hardiness Zone Map puts Louisville in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 12 weeks of growing season left in Louisville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Louisville's last frost
03/11 is the middle of 30 years of NOAA records, not a promise. Plant by 02/17 and you're betting against frost in roughly 9 years out of 10. 03/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Louisville compares
At roughly 254 frost-free days, Louisville places 7,055 of 40,283 ZIP codes in this dataset. Within AL, it ranks 180 of 809.
Learn more
local microclimates covers what one yard in Louisville can differ from the 36048 normal. zone vs. frost date covers why Zone 8b and Louisville's frost date answer different questions.