Fremont, MI 49412 Frost Dates
49412, near Fremont, MI: the frost window
Around 05/08 is the usual last spring frost, about 253 days away. Fall's first freeze usually shows up around 10/11, roughly 155 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Fremont in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Fremont'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
05/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Fremont against the rest of the dataset
About 155 days separate Fremont's last and first frost, putting it 33,962 of 40,283 ZIP codes nationally. Within MI, it ranks 779 of 1,153.
Learn more
Two guides worth reading on 49412: zone vs. frost date, on why Zone 5b and Fremont's frost date answer different questions, and the frost range, on how to read the range around Fremont's dates instead of trusting one.