Lacey, WA 98503 Frost Dates
Lacey, WA: when does the frost end?
Typically, the last spring freeze lands around 04/29, roughly 244 days out. Fall's first freeze usually shows up around 10/14, roughly 169 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Lacey 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 Lacey's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Lacey's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/15 and only about 1 year in 10 sees frost after that.
Lacey against the rest of the dataset
At roughly 169 frost-free days, Lacey places 29,311 of 40,283 ZIP codes in this dataset. Within WA, it ranks 507 of 700.
Learn more
Before leaning on 98503's figures: local microclimates explains what one yard in Lacey can differ from the 98503 normal, while zone vs. frost date explains why Zone 8b and Lacey's frost date answer different questions.