Fort Bragg, CA 95587 Frost Dates
95587, near Fort Bragg, CA: the frost window
Typically, the last spring freeze lands around 03/10, roughly 194 days out. Fall's first freeze usually shows up around 12/01, roughly 271 days after the last spring frost.
Fort Bragg 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
Fort Bragg's growing season runs out in roughly 14 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/10 isn't a guarantee
03/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/13 and only about 1 year in 10 sees frost after that.
Fort Bragg against the rest of the dataset
About 271 days separate Fort Bragg's last and first frost, putting it 5,430 of 40,283 ZIP codes nationally. Within CA, it ranks 1,886 of 2,555.
Learn more
Two guides worth reading on 95587: the frost range, on how to read the range around Fort Bragg's dates instead of trusting one, and local microclimates, on what one yard in Fort Bragg can differ from the 95587 normal.