Gaston, OR 97119 Frost Dates
When can you plant in Gaston, OR?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/26, about 192 frost-free days later.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Gaston, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Gaston before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/16 isn't a guarantee
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gaston compares
Gaston's growing season runs about 192 days, ranking 20,502 of 40,283 US ZIP codes measured here, longest to shortest. Within OR, it ranks 276 of 463.
Learn more
local microclimates covers what one yard in Gaston can differ from the 97119 normal. zone vs. frost date covers why Zone 8b and Gaston's frost date answer different questions.