Mobile, AL 36671 Frost Dates
When can you plant in Mobile, AL?
The last spring frost here typically falls around 03/03, about 187 days from today. The first fall frost typically arrives around 11/25, about 268 frost-free days later.
The USDA Plant Hardiness Zone Map puts Mobile in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 13 weeks of growing season left in Mobile before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/03 is the middle of 30 years of NOAA records, not a promise. Plant by 02/06 and you're betting against frost in roughly 9 years out of 10. 03/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mobile compares
At roughly 268 frost-free days, Mobile places 5,721 of 40,283 ZIP codes in this dataset. Within AL, it ranks 68 of 809.
Learn more
local microclimates covers what one yard in Mobile can differ from the 36671 normal. zone vs. frost date covers why Zone 9a and Mobile's frost date answer different questions.