Tuscaloosa, AL 35405 Frost Dates
Frost dates for Tuscaloosa, AL, ZIP 35405
Around 03/18 is the usual last spring frost, about 202 days away. The first fall frost typically arrives around 11/10, about 239 frost-free days later.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Tuscaloosa, not a forecast for this year.
What to do before the first frost
Zone 8b around Tuscaloosa has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
03/18 is the middle of 30 years of NOAA records, not a promise. Plant by 02/26 and you're betting against frost in roughly 9 years out of 10. 04/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tuscaloosa compares
About 239 days separate Tuscaloosa's last and first frost, putting it 8,746 of 40,283 ZIP codes nationally. Within AL, it ranks 312 of 809.
Learn more
zone vs. frost date explains why Zone 8b and Tuscaloosa's frost date answer different questions, and the frost range explains how to read the range around Tuscaloosa's dates instead of trusting one.