Graysville, AL 35073 Frost Dates
35073, near Graysville, 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 Graysville, not a forecast for this year.
Stretching the season past the first frost
Graysville'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 Graysville'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.
Graysville against the rest of the dataset
Graysville's growing season runs about 236 days, ranking 9,432 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 385 of 809.
Learn more
Two guides worth reading on 35073: local microclimates, on what one yard in Graysville can differ from the 35073 normal, and zone vs. frost date, on why Zone 8a and Graysville's frost date answer different questions.