FrostDateCheck

Jacksonville, FL 32232 Frost Dates

32232, near Jacksonville, FL: the frost window

Zone 9b

Around 02/01 is the usual last spring frost, about 157 days away. Fall's first freeze usually shows up around 01/05, roughly 330 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Jacksonville in Zone 9b (25 to 30°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

Jacksonville'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.

The actual range around Jacksonville's last frost

02/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/03 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.

Jacksonville against the rest of the dataset

Jacksonville's growing season runs about 330 days, ranking 2,979 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,154 of 1,609.

Learn more

Two guides worth reading on 32232: local microclimates, on what one yard in Jacksonville can differ from the 32232 normal, and zone vs. frost date, on why Zone 9b and Jacksonville's frost date answer different questions.