Tenstrike, MN 56667 Frost Dates
Frost dates for Tenstrike, MN, ZIP 56667
Around 05/12 is the usual last spring frost, about 257 days away. The first fall frost typically arrives around 10/04, about 142 frost-free days later.
Zone 3b (-35 to -30°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 Tenstrike, not a forecast for this year.
What to do before the first frost
Zone 3b around Tenstrike has about 5 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Tenstrike's last frost
05/12 is the middle of 30 years of NOAA records, not a promise. Plant by 04/29 and you're betting against frost in roughly 9 years out of 10. 05/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tenstrike compares
Tenstrike's growing season runs about 142 days, ranking 36,828 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 699 of 943.
Learn more
local microclimates explains what one yard in Tenstrike can differ from the 56667 normal, and zone vs. frost date explains why Zone 3b and Tenstrike's frost date answer different questions.