Lincoln, MI 48737 Frost Dates
When can you plant in Lincoln, MI?
Around 05/19 is the usual last spring frost, about 264 days away. The first fall frost typically arrives around 09/29, about 133 frost-free days later.
Lincoln sits in USDA Zone 5a (-20 to -15°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 5 weeks of growing season left in Lincoln before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/19 isn't a guarantee
05/19 is the middle of 30 years of NOAA records, not a promise. Plant by 05/03 and you're betting against frost in roughly 9 years out of 10. 06/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lincoln compares
Lincoln's growing season runs about 133 days, ranking 38,128 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 1,014 of 1,153.
Learn more
zone vs. frost date covers why Zone 5a and Lincoln's frost date answer different questions. the frost range covers how to read the range around Lincoln's dates instead of trusting one.