Tarpon Springs, FL 34689 Frost Dates
34689, near Tarpon Springs, FL: the frost window
Around 01/20 is the usual last spring frost, about 145 days away. Fall's first freeze usually shows up around 01/09, roughly 354 days after the last spring frost.
Tarpon Springs sits in USDA Zone 10a (30 to 35°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Tarpon Springs'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.
Why 01/20 isn't a guarantee
01/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
Tarpon Springs against the rest of the dataset
At roughly 354 frost-free days, Tarpon Springs places 2,186 of 40,283 ZIP codes in this dataset. Within FL, it ranks 951 of 1,609.
Learn more
Two guides worth reading on 34689: local microclimates, on what one yard in Tarpon Springs can differ from the 34689 normal, and zone vs. frost date, on why Zone 10a and Tarpon Springs's frost date answer different questions.