FrostDateCheck

Sipsey, AL 35584 Frost Dates

35584, near Sipsey, AL: the frost window

Zone 8a

The last spring frost here typically falls around 03/30, about 214 days from today. Fall's first freeze usually shows up around 11/04, roughly 220 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Sipsey in Zone 8a (10 to 15°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

Sipsey's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.

Sipsey against the rest of the dataset

Sipsey's growing season runs about 220 days, ranking 12,893 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 648 of 809.

Learn more

Two guides worth reading on 35584: local microclimates, on what one yard in Sipsey can differ from the 35584 normal, and zone vs. frost date, on why Zone 8a and Sipsey's frost date answer different questions.