Long Creek, OR 97817 Frost Dates
Frost dates for Long Creek, OR, ZIP 97817
The last spring frost here typically falls around 06/05, about 281 days from today. The first fall frost typically arrives around 09/14, about 99 frost-free days later.
The USDA Plant Hardiness Zone Map puts Long Creek in Zone 6b (-5 to 0°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 6b around Long Creek has about 2 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 Long Creek's last frost
06/05 is the middle of 30 years of NOAA records, not a promise. Plant by 05/16 and you're betting against frost in roughly 9 years out of 10. 06/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Long Creek compares
At roughly 99 frost-free days, Long Creek places 39,741 of 40,283 ZIP codes in this dataset. Within OR, it ranks 416 of 463.
Learn more
the frost range explains how to read the range around Long Creek's dates instead of trusting one, and local microclimates explains what one yard in Long Creek can differ from the 97817 normal.