Port Richey, FL 34669 Frost Dates
When can you plant in Port Richey, FL?
Typically, the last spring freeze lands around 02/05, roughly 161 days out. The first fall frost typically arrives around 01/01, about 322 frost-free days later.
Port Richey 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 18 weeks of growing season left in Port Richey before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 02/05 isn't a guarantee
02/05 is the middle of 30 years of NOAA records, not a promise. Plant by 01/06 and you're betting against frost in roughly 9 years out of 10. 03/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Port Richey compares
About 322 days separate Port Richey's last and first frost, putting it 3,286 of 40,283 ZIP codes nationally. Within FL, it ranks 1,223 of 1,609.
Learn more
zone vs. frost date covers why Zone 9b and Port Richey's frost date answer different questions. the frost range covers how to read the range around Port Richey's dates instead of trusting one.