Fort Bragg, CA 95437 Frost Dates
95437, near Fort Bragg, CA: the frost window
Typically, the last spring freeze lands around 03/02, roughly 186 days out. Fall's first freeze usually shows up around 12/01, roughly 272 days after the last spring frost.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Fort Bragg, not a forecast for this year.
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.
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 01/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/06 and only about 1 year in 10 sees frost after that.
Fort Bragg against the rest of the dataset
At roughly 272 frost-free days, Fort Bragg places 5,376 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,864 of 2,555.
Learn more
Two guides worth reading on 95437: zone vs. frost date, on why Zone 9b and Fort Bragg's frost date answer different questions, and the frost range, on how to read the range around Fort Bragg's dates instead of trusting one.