Bronson, FL 32621 Frost Dates
32621, near Bronson, FL: the frost window
Around 03/04 is the usual last spring frost, about 188 days away. Fall's first freeze usually shows up around 12/04, roughly 274 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bronson in Zone 9a (20 to 25°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
Bronson's growing season runs out in roughly 14 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Bronson's last frost
03/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/26 and only about 1 year in 10 sees frost after that.
Bronson against the rest of the dataset
Bronson's growing season runs about 274 days, ranking 5,167 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,487 of 1,609.
Learn more
Two guides worth reading on 32621: local microclimates, on what one yard in Bronson can differ from the 32621 normal, and zone vs. frost date, on why Zone 9a and Bronson's frost date answer different questions.