Southgate, MI 48195 Frost Dates
48195, near Southgate, MI: the frost window
Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/27, roughly 188 days after the last spring frost.
Zone 6b (-5 to 0°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 Southgate, not a forecast for this year.
Stretching the season past the first frost
Southgate's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Southgate's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.
Southgate against the rest of the dataset
At roughly 188 frost-free days, Southgate places 21,854 of 40,283 ZIP codes in this dataset. Within MI, it ranks 48 of 1,153.
Learn more
Two guides worth reading on 48195: the frost range, on how to read the range around Southgate's dates instead of trusting one, and local microclimates, on what one yard in Southgate can differ from the 48195 normal.