Hines, OR 97722 Frost Dates
97722, near Hines, OR: the frost window
Typically, the last spring freeze lands around 06/11, roughly 287 days out. Fall's first freeze usually shows up around 09/06, roughly 88 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hines in Zone 6a (-10 to -5°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
Hines's growing season runs out in roughly 1 week — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Hines's last frost
06/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 07/01 and only about 1 year in 10 sees frost after that.
Hines against the rest of the dataset
At roughly 88 frost-free days, Hines places 39,945 of 40,283 ZIP codes in this dataset. Within OR, it ranks 439 of 463.
Learn more
Two guides worth reading on 97722: local microclimates, on what one yard in Hines can differ from the 97722 normal, and zone vs. frost date, on why Zone 6a and Hines's frost date answer different questions.