Hollandale, WI 53544 Frost Dates
Hollandale, WI: when does the frost end?
Around 05/03 is the usual last spring frost, about 248 days away. Fall's first freeze usually shows up around 10/07, roughly 157 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 Hollandale, not a forecast for this year.
Stretching the season past the first frost
With roughly 6 weeks until Hollandale's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hollandale's last frost
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Hollandale against the rest of the dataset
At roughly 157 frost-free days, Hollandale places 33,446 of 40,283 ZIP codes in this dataset. Within WI, it ranks 407 of 860.
Learn more
Before leaning on 53544's figures: the frost range explains how to read the range around Hollandale's dates instead of trusting one, while local microclimates explains what one yard in Hollandale can differ from the 53544 normal.