Menahga, MN 56464 Frost Dates
Menahga, MN: when does the frost end?
Typically, the last spring freeze lands around 05/10, roughly 255 days out. Fall's first freeze usually shows up around 09/29, roughly 141 days after the last spring frost.
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 Menahga, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Menahga's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/24 and only about 1 year in 10 sees frost after that.
Menahga against the rest of the dataset
Menahga's growing season runs about 141 days, ranking 36,923 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 721 of 943.
Learn more
Before leaning on 56464's figures: the frost range explains how to read the range around Menahga's dates instead of trusting one, while local microclimates explains what one yard in Menahga can differ from the 56464 normal.