Morrice, MI 48857 Frost Dates
48857, near Morrice, MI: the frost window
The last spring frost here typically falls around 05/03, about 248 days from today. Fall's first freeze usually shows up around 10/11, roughly 159 days after the last spring frost.
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 Morrice, not a forecast for this year.
Stretching the season past the first frost
Morrice's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Morrice against the rest of the dataset
Morrice's growing season runs about 159 days, ranking 32,703 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 654 of 1,153.
Learn more
Two guides worth reading on 48857: the frost range, on how to read the range around Morrice's dates instead of trusting one, and local microclimates, on what one yard in Morrice can differ from the 48857 normal.