Alabaster, AL 35007 Frost Dates
Alabaster, AL: when does the frost end?
Around 03/19 is the usual last spring frost, about 203 days away. Fall's first freeze usually shows up around 11/08, roughly 236 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Alabaster in Zone 8b (15 to 20°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 Alabaster's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/19 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.
Alabaster against the rest of the dataset
About 236 days separate Alabaster's last and first frost, putting it 9,315 of 40,283 ZIP codes nationally. Within AL, it ranks 362 of 809.
Learn more
Before leaning on 35007's figures: the frost range explains how to read the range around Alabaster's dates instead of trusting one, while local microclimates explains what one yard in Alabaster can differ from the 35007 normal.