Ludington, MI 49431 Frost Dates
Ludington, MI: when does the frost end?
Around 05/17 is the usual last spring frost, about 262 days away. Fall's first freeze usually shows up around 10/07, roughly 144 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ludington in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 6 weeks until Ludington's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/01 and only about 1 year in 10 sees frost after that.
Ludington against the rest of the dataset
About 144 days separate Ludington's last and first frost, putting it 36,357 of 40,283 ZIP codes nationally. Within MI, it ranks 881 of 1,153.
Learn more
Before leaning on 49431's figures: zone vs. frost date explains why Zone 6b and Ludington's frost date answer different questions, while the frost range explains how to read the range around Ludington's dates instead of trusting one.