Ferndale, WA 98248 Frost Dates
When can you plant in Ferndale, WA?
Typically, the last spring freeze lands around 03/31, roughly 215 days out. The first fall frost typically arrives around 10/30, about 211 frost-free days later.
Zone 8b (15 to 20°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
About 9 weeks of growing season left in Ferndale before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Ferndale's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ferndale compares
At roughly 211 frost-free days, Ferndale places 14,734 of 40,283 ZIP codes in this dataset. Within WA, it ranks 266 of 700.
Learn more
zone vs. frost date covers why Zone 8b and Ferndale's frost date answer different questions. the frost range covers how to read the range around Ferndale's dates instead of trusting one.