FrostDateCheck

Stockbridge, MI 48137 Frost Dates

Frost dates for Stockbridge, MI, ZIP 48137

Zone 6a

Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/14, about 166 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 Stockbridge, not a forecast for this year.

What to do before the first frost

Zone 6a around Stockbridge 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 Stockbridge's last frost

04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Stockbridge compares

Stockbridge's growing season runs about 166 days, ranking 30,402 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 419 of 1,153.

Learn more

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