Sun, LA 70463 Frost Dates
70463, near Sun, LA: the frost window
Typically, the last spring freeze lands around 03/02, roughly 186 days out. Fall's first freeze usually shows up around 11/23, roughly 265 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Sun in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Sun's growing season runs out in roughly 12 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
03/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/24 and only about 1 year in 10 sees frost after that.
Sun against the rest of the dataset
Sun's growing season runs about 265 days, ranking 6,004 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 469 of 710.
Learn more
Two guides worth reading on 70463: local microclimates, on what one yard in Sun can differ from the 70463 normal, and zone vs. frost date, on why Zone 9a and Sun's frost date answer different questions.