Sublimity, OR 97385 Frost Dates
97385, near Sublimity, OR: the frost window
Typically, the last spring freeze lands around 04/03, roughly 218 days out. Fall's first freeze usually shows up around 11/01, roughly 212 days after the last spring frost.
Sublimity 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.
Stretching the season past the first frost
Sublimity's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Sublimity against the rest of the dataset
At roughly 212 frost-free days, Sublimity places 14,606 of 40,283 ZIP codes in this dataset. Within OR, it ranks 206 of 463.
Learn more
Two guides worth reading on 97385: local microclimates, on what one yard in Sublimity can differ from the 97385 normal, and zone vs. frost date, on why Zone 8b and Sublimity's frost date answer different questions.