Vandalia, MI 49095 Frost Dates
Vandalia, MI: when does the frost end?
Around 05/04 is the usual last spring frost, about 249 days away. Fall's first freeze usually shows up around 10/11, roughly 158 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Vandalia in Zone 6a (-10 to -5°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 Vandalia'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
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.
Vandalia against the rest of the dataset
Vandalia's growing season runs about 158 days, ranking 33,128 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 681 of 1,153.
Learn more
Before leaning on 49095's figures: local microclimates explains what one yard in Vandalia can differ from the 49095 normal, while zone vs. frost date explains why Zone 6a and Vandalia's frost date answer different questions.