Kenosha, WI 53142 Frost Dates
When can you plant in Kenosha, WI?
Around 04/19 is the usual last spring frost, about 234 days away. The first fall frost typically arrives around 10/26, about 189 frost-free days later.
Zone 5b (-15 to -10°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 Kenosha, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Kenosha 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
04/19 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. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kenosha compares
About 189 days separate Kenosha's last and first frost, putting it 21,391 of 40,283 ZIP codes nationally. Within WI, it ranks 6 of 860.
Learn more
local microclimates covers what one yard in Kenosha can differ from the 53142 normal. zone vs. frost date covers why Zone 5b and Kenosha's frost date answer different questions.