FrostDateCheck

Hood River, OR 97031 Frost Dates

When can you plant in Hood River, OR?

Zone 7b

The last spring frost here typically falls around 04/20, about 235 days from today. The first fall frost typically arrives around 10/13, about 177 frost-free days later.

Hood River sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 7 weeks of growing season left in Hood River 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

04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Hood River compares

Hood River's growing season runs about 177 days, ranking 26,088 of 40,283 US ZIP codes measured here, longest to shortest. Within OR, it ranks 302 of 463.

Learn more

the frost range covers how to read the range around Hood River's dates instead of trusting one. local microclimates covers what one yard in Hood River can differ from the 97031 normal.