Banks, OR 97106 Frost Dates
97106, near Banks, OR: the frost window
Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 10/26, roughly 192 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Banks in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Banks's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Banks's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Banks against the rest of the dataset
About 192 days separate Banks's last and first frost, putting it 20,396 of 40,283 ZIP codes nationally. Within OR, it ranks 273 of 463.
Learn more
Two guides worth reading on 97106: zone vs. frost date, on why Zone 8b and Banks's frost date answer different questions, and the frost range, on how to read the range around Banks's dates instead of trusting one.