Pleasant Ridge, MI 48067 Frost Dates
48067, near Pleasant Ridge, MI: the frost window
Typically, the last spring freeze lands around 04/21, roughly 236 days out. Fall's first freeze usually shows up around 10/31, roughly 190 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Pleasant Ridge 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
Pleasant Ridge'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.
How much risk comes with planting early here
04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Pleasant Ridge against the rest of the dataset
At roughly 190 frost-free days, Pleasant Ridge places 21,177 of 40,283 ZIP codes in this dataset. Within MI, it ranks 41 of 1,153.
Learn more
Two guides worth reading on 48067: zone vs. frost date, on why Zone 6b and Pleasant Ridge's frost date answer different questions, and the frost range, on how to read the range around Pleasant Ridge's dates instead of trusting one.