Oldsmar, FL 33556 Frost Dates
When can you plant in Oldsmar, FL?
The last spring frost here typically falls around 01/20, about 145 days from today. The first fall frost typically arrives around 01/09, about 354 frost-free days later.
Oldsmar sits in USDA Zone 9b (25 to 30°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.
What to do before the first frost
About 19 weeks of growing season left in Oldsmar 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 Oldsmar compares
About 354 days separate Oldsmar's last and first frost, putting it 2,193 of 40,283 ZIP codes nationally. Within FL, it ranks 958 of 1,609.
Learn more
the frost range covers how to read the range around Oldsmar's dates instead of trusting one. local microclimates covers what one yard in Oldsmar can differ from the 33556 normal.