Allen Park, MI 48125 Frost Dates
Allen Park, MI: when does the frost end?
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/15, roughly 166 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 Allen Park, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Allen Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Allen Park's last frost
05/01 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 05/18 and only about 1 year in 10 sees frost after that.
Allen Park against the rest of the dataset
About 166 days separate Allen Park's last and first frost, putting it 30,296 of 40,283 ZIP codes nationally. Within MI, it ranks 388 of 1,153.
Learn more
Before leaning on 48125's figures: zone vs. frost date explains why Zone 6b and Allen Park's frost date answer different questions, while the frost range explains how to read the range around Allen Park's dates instead of trusting one.