Sumiton, AL 35063 Frost Dates
Sumiton, AL: when does the frost end?
Around 03/30 is the usual last spring frost, about 214 days away. Fall's first freeze usually shows up around 11/04, roughly 220 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Sumiton in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 10 weeks until Sumiton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Sumiton's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Sumiton against the rest of the dataset
Sumiton's growing season runs about 220 days, ranking 12,822 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 638 of 809.
Learn more
Before leaning on 35063's figures: local microclimates explains what one yard in Sumiton can differ from the 35063 normal, while zone vs. frost date explains why Zone 8a and Sumiton's frost date answer different questions.