Odessa, MN 56276 Frost Dates
Frost dates for Odessa, MN, ZIP 56276
Around 05/01 is the usual last spring frost, about 246 days away. The first fall frost typically arrives around 10/08, about 159 frost-free days later.
Zone 4b (-25 to -20°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 Odessa, not a forecast for this year.
What to do before the first frost
Zone 4b around Odessa has about 6 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.
How much risk comes with planting early here
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Odessa compares
About 159 days separate Odessa's last and first frost, putting it 32,800 of 40,283 ZIP codes nationally. Within MN, it ranks 279 of 943.
Learn more
the frost range explains how to read the range around Odessa's dates instead of trusting one, and local microclimates explains what one yard in Odessa can differ from the 56276 normal.