Iota, LA 70543 Frost Dates
Iota, LA: when does the frost end?
Typically, the last spring freeze lands around 02/20, roughly 176 days out. Fall's first freeze usually shows up around 12/04, roughly 291 days after the last spring frost.
Iota sits in USDA Zone 9a (20 to 25°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
With roughly 14 weeks until Iota's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Iota's last frost
02/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/14 and only about 1 year in 10 sees frost after that.
Iota against the rest of the dataset
Iota's growing season runs about 291 days, ranking 4,465 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 237 of 710.
Learn more
Before leaning on 70543's figures: local microclimates explains what one yard in Iota can differ from the 70543 normal, while zone vs. frost date explains why Zone 9a and Iota's frost date answer different questions.