Leslie, MI 49251 Frost Dates
Leslie, MI: when does the frost end?
Typically, the last spring freeze lands around 04/30, roughly 245 days out. Fall's first freeze usually shows up around 10/14, roughly 165 days after the last spring frost.
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 Leslie, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Leslie'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
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Leslie against the rest of the dataset
About 165 days separate Leslie's last and first frost, putting it 30,609 of 40,283 ZIP codes nationally. Within MI, it ranks 456 of 1,153.
Learn more
Before leaning on 49251's figures: the frost range explains how to read the range around Leslie's dates instead of trusting one, while local microclimates explains what one yard in Leslie can differ from the 49251 normal.