Scotts Mills, OR 97373 Frost Dates
Frost dates for Scotts Mills, OR, ZIP 97373
Typically, the last spring freeze lands around 04/27, roughly 242 days out. The first fall frost typically arrives around 11/04, about 190 frost-free days later.
Scotts Mills 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 Scotts Mills has about 10 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 04/27 isn't a guarantee
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Scotts Mills compares
At roughly 190 frost-free days, Scotts Mills places 21,290 of 40,283 ZIP codes in this dataset. Within OR, it ranks 283 of 463.
Learn more
zone vs. frost date explains why Zone 8b and Scotts Mills's frost date answer different questions, and the frost range explains how to read the range around Scotts Mills's dates instead of trusting one.