Halsey, OR 97348 Frost Dates
Frost dates for Halsey, OR, ZIP 97348
Typically, the last spring freeze lands around 04/11, roughly 226 days out. The first fall frost typically arrives around 10/30, about 203 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 Halsey, not a forecast for this year.
What to do before the first frost
Zone 8b around Halsey has about 9 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.
The actual range around Halsey's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Halsey compares
At roughly 203 frost-free days, Halsey places 16,991 of 40,283 ZIP codes in this dataset. Within OR, it ranks 220 of 463.
Learn more
the frost range explains how to read the range around Halsey's dates instead of trusting one, and local microclimates explains what one yard in Halsey can differ from the 97348 normal.