FrostDateCheck

Bridgman, MI 49106 Frost Dates

Frost dates for Bridgman, MI, ZIP 49106

Zone 6b

Around 05/05 is the usual last spring frost, about 250 days away. The first fall frost typically arrives around 10/15, about 161 frost-free days later.

The USDA Plant Hardiness Zone Map puts Bridgman in Zone 6b (-5 to 0°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

Zone 6b around Bridgman has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Bridgman's last frost

05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/26 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Bridgman compares

At roughly 161 frost-free days, Bridgman places 32,069 of 40,283 ZIP codes in this dataset. Within MI, it ranks 575 of 1,153.

Learn more

zone vs. frost date explains why Zone 6b and Bridgman's frost date answer different questions, and the frost range explains how to read the range around Bridgman's dates instead of trusting one.