Honor, MI 49640 Frost Dates
49640, near Honor, MI: the frost window
Around 05/02 is the usual last spring frost, about 247 days away. Fall's first freeze usually shows up around 10/26, roughly 175 days after the last spring frost.
Zone 6b (-5 to 0°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 Honor, not a forecast for this year.
Stretching the season past the first frost
Honor's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Honor's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.
Honor against the rest of the dataset
At roughly 175 frost-free days, Honor places 27,216 of 40,283 ZIP codes in this dataset. Within MI, it ranks 161 of 1,153.
Learn more
Two guides worth reading on 49640: zone vs. frost date, on why Zone 6b and Honor's frost date answer different questions, and the frost range, on how to read the range around Honor's dates instead of trusting one.