Ferndale, CA 95551 Frost Dates
Frost dates for Ferndale, CA, ZIP 95551
The last spring frost here typically falls around 02/22, about 178 days from today. The first fall frost typically arrives around 12/07, about 293 frost-free days later.
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 Ferndale, not a forecast for this year.
What to do before the first frost
Zone 9b around Ferndale 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.
The actual range around Ferndale's last frost
02/22 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 and you're betting against frost in roughly 9 years out of 10. 12/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ferndale compares
Ferndale's growing season runs about 293 days, ranking 4,298 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,672 of 2,555.
Learn more
the frost range explains how to read the range around Ferndale's dates instead of trusting one, and local microclimates explains what one yard in Ferndale can differ from the 95551 normal.