Genoa, WI 54632 Frost Dates
When can you plant in Genoa, WI?
Around 04/22 is the usual last spring frost, about 237 days away. The first fall frost typically arrives around 10/17, about 178 frost-free days later.
The USDA Plant Hardiness Zone Map puts Genoa in Zone 5a (-20 to -15°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 7 weeks of growing season left in Genoa before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Genoa compares
Genoa's growing season runs about 178 days, ranking 25,922 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 59 of 860.
Learn more
the frost range covers how to read the range around Genoa's dates instead of trusting one. local microclimates covers what one yard in Genoa can differ from the 54632 normal.