Rockford, AL 35136 Frost Dates
35136, near Rockford, AL: the frost window
Around 03/25 is the usual last spring frost, about 209 days away. Fall's first freeze usually shows up around 11/11, roughly 230 days after the last spring frost.
Rockford sits in USDA Zone 8a (10 to 15°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.
Stretching the season past the first frost
Rockford's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/25 isn't a guarantee
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/13 and only about 1 year in 10 sees frost after that.
Rockford against the rest of the dataset
Rockford's growing season runs about 230 days, ranking 10,477 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 518 of 809.
Learn more
Two guides worth reading on 35136: local microclimates, on what one yard in Rockford can differ from the 35136 normal, and zone vs. frost date, on why Zone 8a and Rockford's frost date answer different questions.