Oakman, AL 35579 Frost Dates
35579, near Oakman, AL: the frost window
Around 03/20 is the usual last spring frost, about 204 days away. Fall's first freeze usually shows up around 11/11, roughly 235 days after the last spring frost.
Oakman sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Oakman'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.
Why 03/20 isn't a guarantee
03/20 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 04/09 and only about 1 year in 10 sees frost after that.
Oakman against the rest of the dataset
Oakman's growing season runs about 235 days, ranking 9,637 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 430 of 809.
Learn more
Two guides worth reading on 35579: the frost range, on how to read the range around Oakman's dates instead of trusting one, and local microclimates, on what one yard in Oakman can differ from the 35579 normal.