La Center, WA 98629 Frost Dates
La Center, WA: when does the frost end?
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/16, roughly 174 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts La Center in Zone 8b (15 to 20°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 7 weeks until La Center'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
04/26 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 05/12 and only about 1 year in 10 sees frost after that.
La Center against the rest of the dataset
La Center's growing season runs about 174 days, ranking 27,453 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 480 of 700.
Learn more
Before leaning on 98629's figures: zone vs. frost date explains why Zone 8b and La Center's frost date answer different questions, while the frost range explains how to read the range around La Center's dates instead of trusting one.