Howards Grove, WI 53083 Frost Dates
Howards Grove, WI: when does the frost end?
The last spring frost here typically falls around 04/25, about 240 days from today. Fall's first freeze usually shows up around 10/23, roughly 179 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Howards Grove in Zone 5b (-15 to -10°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 8 weeks until Howards Grove'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
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Howards Grove against the rest of the dataset
Howards Grove's growing season runs about 179 days, ranking 25,305 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 37 of 860.
Learn more
Before leaning on 53083's figures: the frost range explains how to read the range around Howards Grove's dates instead of trusting one, while local microclimates explains what one yard in Howards Grove can differ from the 53083 normal.