Culver, OR 97734 Frost Dates
Frost dates for Culver, OR, ZIP 97734
Typically, the last spring freeze lands around 05/19, roughly 264 days out. The first fall frost typically arrives around 10/04, about 136 frost-free days later.
The USDA Plant Hardiness Zone Map puts Culver in Zone 7a (0 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 7a around Culver has about 5 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.
How much risk comes with planting early here
05/19 is the middle of 30 years of NOAA records, not a promise. Plant by 05/02 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 Culver compares
At roughly 136 frost-free days, Culver places 37,709 of 40,283 ZIP codes in this dataset. Within OR, it ranks 382 of 463.
Learn more
zone vs. frost date explains why Zone 7a and Culver's frost date answer different questions, and the frost range explains how to read the range around Culver's dates instead of trusting one.