Scio, OR 97335 Frost Dates
When can you plant in Scio, OR?
Around 03/14 is the usual last spring frost, about 198 days away. The first fall frost typically arrives around 11/18, about 248 frost-free days later.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Scio, not a forecast for this year.
What to do before the first frost
About 12 weeks of growing season left in Scio before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/14 is the middle of 30 years of NOAA records, not a promise. Plant by 02/18 and you're betting against frost in roughly 9 years out of 10. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Scio compares
At roughly 248 frost-free days, Scio places 7,717 of 40,283 ZIP codes in this dataset. Within OR, it ranks 82 of 463.
Learn more
zone vs. frost date covers why Zone 8b and Scio's frost date answer different questions. the frost range covers how to read the range around Scio's dates instead of trusting one.