Tuscaloosa, AL 35402 Frost Dates
Tuscaloosa, AL: when does the frost end?
Typically, the last spring freeze lands around 03/18, roughly 202 days out. Fall's first freeze usually shows up around 11/10, roughly 239 days after the last spring frost.
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.
Stretching the season past the first frost
With roughly 11 weeks until Tuscaloosa's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Tuscaloosa's last frost
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/04 and only about 1 year in 10 sees frost after that.
Tuscaloosa against the rest of the dataset
At roughly 239 frost-free days, Tuscaloosa places 8,743 of 40,283 ZIP codes in this dataset. Within AL, it ranks 309 of 809.
Learn more
Before leaning on 35402's figures: local microclimates explains what one yard in Tuscaloosa can differ from the 35402 normal, while zone vs. frost date explains why Zone 8b and Tuscaloosa's frost date answer different questions.