Tarpon Springs, FL 34691 Frost Dates
When can you plant in Tarpon Springs, FL?
Around 01/20 is the usual last spring frost, about 145 days away. The first fall frost typically arrives around 01/09, about 354 frost-free days later.
The USDA Plant Hardiness Zone Map puts Tarpon Springs in Zone 10a (30 to 35°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 19 weeks of growing season left in Tarpon Springs before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 01/20 isn't a guarantee
01/20 is the middle of 30 years of NOAA records, not a promise. Plant by 02/14 and you're betting against frost in roughly 9 years out of 10. 12/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tarpon Springs compares
Tarpon Springs's growing season runs about 354 days, ranking 2,187 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 952 of 1,609.
Learn more
local microclimates covers what one yard in Tarpon Springs can differ from the 34691 normal. zone vs. frost date covers why Zone 10a and Tarpon Springs's frost date answer different questions.