Fort Bragg, CA 95410 Frost Dates
Frost dates for Fort Bragg, CA, ZIP 95410
Around 03/02 is the usual last spring frost, about 186 days away. The first fall frost typically arrives around 12/01, about 272 frost-free days later.
The USDA Plant Hardiness Zone Map puts Fort Bragg in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9b around Fort Bragg has about 14 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/02 isn't a guarantee
03/02 is the middle of 30 years of NOAA records, not a promise. Plant by 01/08 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fort Bragg compares
Fort Bragg's growing season runs about 272 days, ranking 5,373 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,861 of 2,555.
Learn more
the frost range explains how to read the range around Fort Bragg's dates instead of trusting one, and local microclimates explains what one yard in Fort Bragg can differ from the 95410 normal.