Molalla, OR 97038 Frost Dates
When can you plant in Molalla, OR?
The last spring frost here typically falls around 03/16, about 200 days from today. The first fall frost typically arrives around 11/19, about 247 frost-free days later.
Molalla sits in USDA Zone 8b (15 to 20°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 12 weeks of growing season left in Molalla 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
03/16 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 04/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Molalla compares
Molalla's growing season runs about 247 days, ranking 7,814 of 40,283 US ZIP codes measured here, longest to shortest. Within OR, it ranks 97 of 463.
Learn more
zone vs. frost date covers why Zone 8b and Molalla's frost date answer different questions. the frost range covers how to read the range around Molalla's dates instead of trusting one.