Electric City, WA 99123 Frost Dates
Electric City, WA: when does the frost end?
Around 04/22 is the usual last spring frost, about 237 days away. Fall's first freeze usually shows up around 10/21, roughly 180 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Electric City in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 8 weeks until Electric City's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Electric City against the rest of the dataset
Electric City's growing season runs about 180 days, ranking 24,964 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 441 of 700.
Learn more
Before leaning on 99123's figures: zone vs. frost date explains why Zone 7a and Electric City's frost date answer different questions, while the frost range explains how to read the range around Electric City's dates instead of trusting one.