FrostDateCheck

Edwardsburg, MI 46530 Frost Dates

When can you plant in Edwardsburg, MI?

Zone 6a

Typically, the last spring freeze lands around 04/27, roughly 242 days out. The first fall frost typically arrives around 10/25, about 180 frost-free days later.

Zone 6a (-10 to -5°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 Edwardsburg, not a forecast for this year.

What to do before the first frost

About 8 weeks of growing season left in Edwardsburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Edwardsburg's last frost

04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Edwardsburg compares

About 180 days separate Edwardsburg's last and first frost, putting it 24,930 of 40,283 ZIP codes nationally. Within MI, it ranks 88 of 1,153.

Learn more

zone vs. frost date covers why Zone 6a and Edwardsburg's frost date answer different questions. the frost range covers how to read the range around Edwardsburg's dates instead of trusting one.