FrostDateCheck

Fontana-on-Geneva Lake, WI 53125 Frost Dates

When can you plant in Fontana-on-Geneva Lake, WI?

Zone 5b

The last spring frost here typically falls around 04/25, about 240 days from today. The first fall frost typically arrives around 10/21, about 179 frost-free days later.

The USDA Plant Hardiness Zone Map puts Fontana-on-Geneva Lake in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

About 8 weeks of growing season left in Fontana-on-Geneva Lake before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Fontana-on-Geneva Lake compares

At roughly 179 frost-free days, Fontana-on-Geneva Lake places 25,353 of 40,283 ZIP codes in this dataset. Within WI, it ranks 40 of 860.

Learn more

the frost range covers how to read the range around Fontana-on-Geneva Lake's dates instead of trusting one. local microclimates covers what one yard in Fontana-on-Geneva Lake can differ from the 53125 normal.