Callahan, FL 32011 Frost Dates
Callahan, FL: when does the frost end?
Around 02/25 is the usual last spring frost, about 181 days away. Fall's first freeze usually shows up around 12/07, roughly 288 days after the last spring frost.
Callahan sits in USDA Zone 9a (20 to 25°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
With roughly 14 weeks until Callahan's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
02/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/19 and only about 1 year in 10 sees frost after that.
Callahan against the rest of the dataset
Callahan's growing season runs about 288 days, ranking 4,568 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,340 of 1,609.
Learn more
Before leaning on 32011's figures: local microclimates explains what one yard in Callahan can differ from the 32011 normal, while zone vs. frost date explains why Zone 9a and Callahan's frost date answer different questions.