Birmingham, AL 35205 Frost Dates
When can you plant in Birmingham, AL?
The last spring frost here typically falls around 03/21, about 205 days from today. The first fall frost typically arrives around 11/11, about 236 frost-free days later.
Zone 8b (15 to 20°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 Birmingham, not a forecast for this year.
What to do before the first frost
About 11 weeks of growing season left in Birmingham before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Birmingham's last frost
03/21 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Birmingham compares
At roughly 236 frost-free days, Birmingham places 9,218 of 40,283 ZIP codes in this dataset. Within AL, it ranks 351 of 809.
Learn more
local microclimates covers what one yard in Birmingham can differ from the 35205 normal. zone vs. frost date covers why Zone 8b and Birmingham's frost date answer different questions.