Millbrook, AL 36054 Frost Dates
Frost dates for Millbrook, AL, ZIP 36054
Around 03/13 is the usual last spring frost, about 197 days away. The first fall frost typically arrives around 11/13, about 244 frost-free days later.
Millbrook sits in USDA Zone 8b (15 to 20°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.
What to do before the first frost
Zone 8b around Millbrook has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/13 isn't a guarantee
03/13 is the middle of 30 years of NOAA records, not a promise. Plant by 02/20 and you're betting against frost in roughly 9 years out of 10. 03/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Millbrook compares
Millbrook's growing season runs about 244 days, ranking 8,215 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 250 of 809.
Learn more
the frost range explains how to read the range around Millbrook's dates instead of trusting one, and local microclimates explains what one yard in Millbrook can differ from the 36054 normal.