Shady Cove, OR 97539 Frost Dates
97539, near Shady Cove, OR: the frost window
Typically, the last spring freeze lands around 04/29, roughly 244 days out. Fall's first freeze usually shows up around 10/17, roughly 171 days after the last spring frost.
Zone 8a (10 to 15°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 Shady Cove, not a forecast for this year.
Stretching the season past the first frost
Shady Cove's growing season runs out in roughly 7 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 Shady Cove's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Shady Cove against the rest of the dataset
At roughly 171 frost-free days, Shady Cove places 28,657 of 40,283 ZIP codes in this dataset. Within OR, it ranks 314 of 463.
Learn more
Two guides worth reading on 97539: zone vs. frost date, on why Zone 8a and Shady Cove's frost date answer different questions, and the frost range, on how to read the range around Shady Cove's dates instead of trusting one.