Kingsford, MI 54125 Frost Dates
When can you plant in Kingsford, MI?
Around 05/17 is the usual last spring frost, about 262 days away. The first fall frost typically arrives around 10/01, about 135 frost-free days later.
The USDA Plant Hardiness Zone Map puts Kingsford in Zone 4b (-25 to -20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 5 weeks of growing season left in Kingsford 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
05/17 is the middle of 30 years of NOAA records, not a promise. Plant by 05/02 and you're betting against frost in roughly 9 years out of 10. 05/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kingsford compares
At roughly 135 frost-free days, Kingsford places 37,850 of 40,283 ZIP codes in this dataset. Within MI, it ranks 964 of 1,153.
Learn more
zone vs. frost date covers why Zone 4b and Kingsford's frost date answer different questions. the frost range covers how to read the range around Kingsford's dates instead of trusting one.