Coburg, OR 97454 Frost Dates
Frost dates for Coburg, OR, ZIP 97454
The last spring frost here typically falls around 04/03, about 218 days from today. The first fall frost typically arrives around 11/11, about 220 frost-free days later.
The USDA Plant Hardiness Zone Map puts Coburg 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
Zone 8b around Coburg has about 11 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 Coburg's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Coburg compares
At roughly 220 frost-free days, Coburg places 12,841 of 40,283 ZIP codes in this dataset. Within OR, it ranks 174 of 463.
Learn more
the frost range explains how to read the range around Coburg's dates instead of trusting one, and local microclimates explains what one yard in Coburg can differ from the 97454 normal.