Grants Pass, OR 97543 Frost Dates
When can you plant in Grants Pass, OR?
The last spring frost here typically falls around 05/16, about 261 days from today. The first fall frost typically arrives around 10/30, about 164 frost-free days later.
The USDA Plant Hardiness Zone Map puts Grants Pass 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 Grants Pass before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 06/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grants Pass compares
At roughly 164 frost-free days, Grants Pass places 30,850 of 40,283 ZIP codes in this dataset. Within OR, it ranks 329 of 463.
Learn more
the frost range covers how to read the range around Grants Pass's dates instead of trusting one. local microclimates covers what one yard in Grants Pass can differ from the 97543 normal.