FrostDateCheck

Phil Campbell, AL 35581 Frost Dates

Phil Campbell, AL: when does the frost end?

Zone 8a

Typically, the last spring freeze lands around 04/05, roughly 220 days out. Fall's first freeze usually shows up around 10/28, roughly 205 days after the last spring frost.

Zone 8a (10 to 15°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 Phil Campbell, not a forecast for this year.

Stretching the season past the first frost

With roughly 9 weeks until Phil Campbell's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Phil Campbell's last frost

04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.

Phil Campbell against the rest of the dataset

Phil Campbell's growing season runs about 205 days, ranking 16,364 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 788 of 809.

Learn more

Before leaning on 35581's figures: the frost range explains how to read the range around Phil Campbell's dates instead of trusting one, while local microclimates explains what one yard in Phil Campbell can differ from the 35581 normal.