Frostproof, FL 33867 Frost Dates
33867, near Frostproof, FL: the frost window
Typically, the last spring freeze lands around 01/28, roughly 153 days out. Fall's first freeze usually shows up around 01/08, roughly 343 days after the last spring frost.
Zone 9b (25 to 30°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 Frostproof, not a forecast for this year.
Stretching the season past the first frost
Frostproof's growing season runs out in roughly 19 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 01/28 isn't a guarantee
01/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/31 and only about 1 year in 10 sees frost after that.
Frostproof against the rest of the dataset
At roughly 343 frost-free days, Frostproof places 2,541 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,049 of 1,609.
Learn more
Two guides worth reading on 33867: local microclimates, on what one yard in Frostproof can differ from the 33867 normal, and zone vs. frost date, on why Zone 9b and Frostproof's frost date answer different questions.