Creswell, OR 97455 Frost Dates
Frost dates for Creswell, OR, ZIP 97455
Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/25, about 183 frost-free days later.
The USDA Plant Hardiness Zone Map puts Creswell in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8b around Creswell has about 8 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 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Creswell compares
Creswell's growing season runs about 183 days, ranking 23,836 of 40,283 US ZIP codes measured here, longest to shortest. Within OR, it ranks 297 of 463.
Learn more
local microclimates explains what one yard in Creswell can differ from the 97455 normal, and zone vs. frost date explains why Zone 8b and Creswell's frost date answer different questions.