Huntsville, AL 35810 Frost Dates
When can you plant in Huntsville, AL?
Around 03/24 is the usual last spring frost, about 208 days away. The first fall frost typically arrives around 11/08, about 229 frost-free days later.
The USDA Plant Hardiness Zone Map puts Huntsville in Zone 8a (10 to 15°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 10 weeks of growing season left in Huntsville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Huntsville's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/04 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Huntsville compares
About 229 days separate Huntsville's last and first frost, putting it 10,537 of 40,283 ZIP codes nationally. Within AL, it ranks 526 of 809.
Learn more
zone vs. frost date covers why Zone 8a and Huntsville's frost date answer different questions. the frost range covers how to read the range around Huntsville's dates instead of trusting one.