Edmonds, WA 98026 Frost Dates
Edmonds, WA: when does the frost end?
The last spring frost here typically falls around 03/09, about 193 days from today. Fall's first freeze usually shows up around 11/17, roughly 250 days after the last spring frost.
Zone 9a (20 to 25°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 Edmonds, not a forecast for this year.
Stretching the season past the first frost
With roughly 12 weeks until Edmonds's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Edmonds's last frost
03/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/29 and only about 1 year in 10 sees frost after that.
Edmonds against the rest of the dataset
Edmonds's growing season runs about 250 days, ranking 7,452 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 93 of 700.
Learn more
Before leaning on 98026's figures: zone vs. frost date explains why Zone 9a and Edmonds's frost date answer different questions, while the frost range explains how to read the range around Edmonds's dates instead of trusting one.