Jacksonville, FL 32208 Frost Dates
When can you plant in Jacksonville, FL?
Around 02/25 is the usual last spring frost, about 181 days away. The first fall frost typically arrives around 12/07, about 288 frost-free days later.
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.
What to do before the first frost
About 14 weeks of growing season left in Jacksonville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Jacksonville's last frost
02/25 is the middle of 30 years of NOAA records, not a promise. Plant by 01/22 and you're betting against frost in roughly 9 years out of 10. 03/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jacksonville compares
At roughly 288 frost-free days, Jacksonville places 4,560 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,336 of 1,609.
Learn more
local microclimates covers what one yard in Jacksonville can differ from the 32208 normal. zone vs. frost date covers why Zone 9b and Jacksonville's frost date answer different questions.