Hines, OR 97758 Frost Dates
Frost dates for Hines, OR, ZIP 97758
The last spring frost here typically falls around 06/11, about 287 days from today. The first fall frost typically arrives around 09/11, about 87 frost-free days later.
The USDA Plant Hardiness Zone Map puts Hines in Zone 6a (-10 to -5°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 6a around Hines 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.
Why 06/11 isn't a guarantee
06/11 is the middle of 30 years of NOAA records, not a promise. Plant by 05/24 and you're betting against frost in roughly 9 years out of 10. 07/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hines compares
About 87 days separate Hines's last and first frost, putting it 39,964 of 40,283 ZIP codes nationally. Within OR, it ranks 441 of 463.
Learn more
local microclimates explains what one yard in Hines can differ from the 97758 normal, and zone vs. frost date explains why Zone 6a and Hines's frost date answer different questions.