Salem, OR 97311 Frost Dates
When can you plant in Salem, OR?
Typically, the last spring freeze lands around 04/03, roughly 218 days out. The first fall frost typically arrives around 11/01, about 212 frost-free days later.
The USDA Plant Hardiness Zone Map puts Salem 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
About 9 weeks of growing season left in Salem before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Salem's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Salem compares
At roughly 212 frost-free days, Salem places 14,552 of 40,283 ZIP codes in this dataset. Within OR, it ranks 197 of 463.
Learn more
zone vs. frost date covers why Zone 8b and Salem's frost date answer different questions. the frost range covers how to read the range around Salem's dates instead of trusting one.