Miltona, MN 56354 Frost Dates
When can you plant in Miltona, MN?
The last spring frost here typically falls around 05/02, about 247 days from today. The first fall frost typically arrives around 10/08, about 159 frost-free days later.
Zone 4a (-30 to -25°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 Miltona, not a forecast for this year.
What to do before the first frost
About 6 weeks of growing season left in Miltona before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Miltona compares
Miltona's growing season runs about 159 days, ranking 32,744 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 272 of 943.
Learn more
zone vs. frost date covers why Zone 4a and Miltona's frost date answer different questions. the frost range covers how to read the range around Miltona's dates instead of trusting one.