FrostDateCheck

Puyallup, WA 98372 Frost Dates

98372, near Puyallup, WA: the frost window

Zone 8b

Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 10/30, roughly 202 days after the last spring frost.

Puyallup sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

Stretching the season past the first frost

Puyallup's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Puyallup's last frost

04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.

Puyallup against the rest of the dataset

Puyallup's growing season runs about 202 days, ranking 17,121 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 287 of 700.

Learn more

Two guides worth reading on 98372: local microclimates, on what one yard in Puyallup can differ from the 98372 normal, and zone vs. frost date, on why Zone 8b and Puyallup's frost date answer different questions.