Macclenny, FL 31562 Frost Dates
Macclenny, FL: when does the frost end?
The last spring frost here typically falls around 02/26, about 182 days from today. Fall's first freeze usually shows up around 12/07, roughly 285 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Macclenny 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
With roughly 14 weeks until Macclenny's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Macclenny's last frost
02/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/21 and only about 1 year in 10 sees frost after that.
Macclenny against the rest of the dataset
Macclenny's growing season runs about 285 days, ranking 4,629 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,358 of 1,609.
Learn more
Before leaning on 31562's figures: zone vs. frost date explains why Zone 9a and Macclenny's frost date answer different questions, while the frost range explains how to read the range around Macclenny's dates instead of trusting one.