FrostDateCheck

Scotts Mills, OR 97308 Frost Dates

When can you plant in Scotts Mills, OR?

Zone 8b

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

About 10 weeks of growing season left in Scotts Mills before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Scotts Mills's last frost

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 21,288 of 40,283 ZIP codes in this dataset. Within OR, it ranks 281 of 463.

Learn more

zone vs. frost date covers why Zone 8b and Scotts Mills's frost date answer different questions. the frost range covers how to read the range around Scotts Mills's dates instead of trusting one.