Plant City, FL 33565 Frost Dates
33565, near Plant City, FL: the frost window
Typically, the last spring freeze lands around 01/31, roughly 156 days out. Fall's first freeze usually shows up around 01/08, roughly 336 days after the last spring frost.
Plant City 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.
Stretching the season past the first frost
Plant City'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.
How much risk comes with planting early here
01/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/28 and only about 1 year in 10 sees frost after that.
Plant City against the rest of the dataset
About 336 days separate Plant City's last and first frost, putting it 2,713 of 40,283 ZIP codes nationally. Within FL, it ranks 1,082 of 1,609.
Learn more
Two guides worth reading on 33565: zone vs. frost date, on why Zone 9b and Plant City's frost date answer different questions, and the frost range, on how to read the range around Plant City's dates instead of trusting one.