FrostDateCheck

Jacksonville, FL 32207 Frost Dates

32207, 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.

How much risk comes with planting early here

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

About 330 days separate Jacksonville's last and first frost, putting it 2,972 of 40,283 ZIP codes nationally. Within FL, it ranks 1,147 of 1,609.

Learn more

Two guides worth reading on 32207: local microclimates, on what one yard in Jacksonville can differ from the 32207 normal, and zone vs. frost date, on why Zone 9b and Jacksonville's frost date answer different questions.