Tarrant, AL 35217 Frost Dates
35217, near Tarrant, AL: the frost window
The last spring frost here typically falls around 03/21, about 205 days from today. Fall's first freeze usually shows up around 11/11, roughly 236 days after the last spring frost.
Zone 8a (10 to 15°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 Tarrant, not a forecast for this year.
Stretching the season past the first frost
Tarrant's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Tarrant's last frost
03/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/08 and only about 1 year in 10 sees frost after that.
Tarrant against the rest of the dataset
Tarrant's growing season runs about 236 days, ranking 9,423 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 383 of 809.
Learn more
Two guides worth reading on 35217: zone vs. frost date, on why Zone 8a and Tarrant's frost date answer different questions, and the frost range, on how to read the range around Tarrant's dates instead of trusting one.