Ecorse, MI 48229 Frost Dates
When can you plant in Ecorse, MI?
Around 05/01 is the usual last spring frost, about 246 days away. The first fall frost typically arrives around 10/15, about 166 frost-free days later.
Ecorse sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 7 weeks of growing season left in Ecorse before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ecorse compares
About 166 days separate Ecorse's last and first frost, putting it 30,330 of 40,283 ZIP codes nationally. Within MI, it ranks 398 of 1,153.
Learn more
the frost range covers how to read the range around Ecorse's dates instead of trusting one. local microclimates covers what one yard in Ecorse can differ from the 48229 normal.