Nyssa, OR 97913 Frost Dates
When can you plant in Nyssa, OR?
Around 04/18 is the usual last spring frost, about 233 days away. The first fall frost typically arrives around 10/18, about 182 frost-free days later.
Nyssa sits in USDA Zone 7a (0 to 5°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.
What to do before the first frost
About 7 weeks of growing season left in Nyssa before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Nyssa's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Nyssa compares
About 182 days separate Nyssa's last and first frost, putting it 24,163 of 40,283 ZIP codes nationally. Within OR, it ranks 299 of 463.
Learn more
local microclimates covers what one yard in Nyssa can differ from the 97913 normal. zone vs. frost date covers why Zone 7a and Nyssa's frost date answer different questions.