Ashland, OR 97520 Frost Dates
Ashland, OR: when does the frost end?
The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/21, roughly 168 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ashland in Zone 8a (10 to 15°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
With roughly 8 weeks until Ashland's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Ashland's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/31 and only about 1 year in 10 sees frost after that.
Ashland against the rest of the dataset
At roughly 168 frost-free days, Ashland places 29,676 of 40,283 ZIP codes in this dataset. Within OR, it ranks 320 of 463.
Learn more
Before leaning on 97520's figures: local microclimates explains what one yard in Ashland can differ from the 97520 normal, while zone vs. frost date explains why Zone 8a and Ashland's frost date answer different questions.