Inver Grove Heights, MN 55076 Frost Dates
55076, near Inver Grove Heights, MN: the frost window
The last spring frost here typically falls around 04/24, about 239 days from today. Fall's first freeze usually shows up around 10/16, roughly 174 days after the last spring frost.
Zone 5a (-20 to -15°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 Inver Grove Heights, not a forecast for this year.
Stretching the season past the first frost
Inver Grove Heights's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Inver Grove Heights against the rest of the dataset
At roughly 174 frost-free days, Inver Grove Heights places 27,339 of 40,283 ZIP codes in this dataset. Within MN, it ranks 66 of 943.
Learn more
Two guides worth reading on 55076: local microclimates, on what one yard in Inver Grove Heights can differ from the 55076 normal, and zone vs. frost date, on why Zone 5a and Inver Grove Heights's frost date answer different questions.