Wyandotte, MI 48192 Frost Dates
Wyandotte, MI: when does the frost end?
Around 04/20 is the usual last spring frost, about 235 days away. Fall's first freeze usually shows up around 10/27, roughly 188 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Wyandotte in Zone 6b (-5 to 0°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
With roughly 9 weeks until Wyandotte'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
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.
Wyandotte against the rest of the dataset
Wyandotte's growing season runs about 188 days, ranking 21,865 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 52 of 1,153.
Learn more
Before leaning on 48192's figures: the frost range explains how to read the range around Wyandotte's dates instead of trusting one, while local microclimates explains what one yard in Wyandotte can differ from the 48192 normal.