Stanwood, WA 98282 Frost Dates
Frost dates for Stanwood, WA, ZIP 98282
Typically, the last spring freeze lands around 03/17, roughly 201 days out. The first fall frost typically arrives around 11/11, about 237 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 Stanwood, not a forecast for this year.
What to do before the first frost
Zone 8b around Stanwood has about 11 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 Stanwood's last frost
03/17 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 04/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Stanwood compares
Stanwood's growing season runs about 237 days, ranking 9,095 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 162 of 700.
Learn more
local microclimates explains what one yard in Stanwood can differ from the 98282 normal, and zone vs. frost date explains why Zone 8b and Stanwood's frost date answer different questions.