Tampa, FL 33621 Frost Dates
When can you plant in Tampa, FL?
The last spring frost here typically falls around 01/20, about 145 days from today. The first fall frost typically arrives around 01/12, about 365 frost-free days later.
Zone 10a (30 to 35°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Tampa, not a forecast for this year.
What to do before the first frost
About 20 weeks of growing season left in Tampa before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Tampa's last frost
01/20 is the middle of 30 years of NOAA records, not a promise. Plant by 02/10 and you're betting against frost in roughly 9 years out of 10. 12/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tampa compares
At roughly 365 frost-free days, Tampa places 75 of 40,283 ZIP codes in this dataset. Within FL, it ranks 37 of 1,609.
Learn more
zone vs. frost date covers why Zone 10a and Tampa's frost date answer different questions. the frost range covers how to read the range around Tampa's dates instead of trusting one.