Farwell, MI 48622 Frost Dates
48622, near Farwell, MI: the frost window
Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/20, roughly 171 days after the last spring frost.
Zone 5b (-15 to -10°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 Farwell, not a forecast for this year.
Stretching the season past the first frost
Farwell's growing season runs out in roughly 8 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
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Farwell against the rest of the dataset
About 171 days separate Farwell's last and first frost, putting it 28,740 of 40,283 ZIP codes nationally. Within MI, it ranks 299 of 1,153.
Learn more
Two guides worth reading on 48622: local microclimates, on what one yard in Farwell can differ from the 48622 normal, and zone vs. frost date, on why Zone 5b and Farwell's frost date answer different questions.