FrostDateCheck

Burns, OR 97720 Frost Dates

When can you plant in Burns, OR?

Zone 6a

Around 06/11 is the usual last spring frost, about 287 days away. The first fall frost typically arrives around 09/06, about 85 frost-free days later.

Zone 6a (-10 to -5°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 Burns, not a forecast for this year.

What to do before the first frost

About 1 week of growing season left in Burns before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Burns's last frost

06/11 is the middle of 30 years of NOAA records, not a promise. Plant by 05/21 and you're betting against frost in roughly 9 years out of 10. 06/28 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Burns compares

Burns's growing season runs about 85 days, ranking 39,984 of 40,283 US ZIP codes measured here, longest to shortest. Within OR, it ranks 442 of 463.

Learn more

the frost range covers how to read the range around Burns's dates instead of trusting one. local microclimates covers what one yard in Burns can differ from the 97720 normal.