Puyallup, WA 98373 Frost Dates
Frost dates for Puyallup, WA, ZIP 98373
Around 04/11 is the usual last spring frost, about 226 days away. The first fall frost typically arrives around 10/30, about 202 frost-free days later.
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.
What to do before the first frost
Zone 8b around Puyallup has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Puyallup compares
Puyallup's growing season runs about 202 days, ranking 17,122 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 288 of 700.
Learn more
zone vs. frost date explains why Zone 8b and Puyallup's frost date answer different questions, and the frost range explains how to read the range around Puyallup's dates instead of trusting one.