Manawa, WI 54949 Frost Dates
When can you plant in Manawa, WI?
Around 05/08 is the usual last spring frost, about 253 days away. The first fall frost typically arrives around 10/06, about 151 frost-free days later.
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 Manawa, not a forecast for this year.
What to do before the first frost
About 6 weeks of growing season left in Manawa 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
05/08 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Manawa compares
At roughly 151 frost-free days, Manawa places 35,071 of 40,283 ZIP codes in this dataset. Within WI, it ranks 540 of 860.
Learn more
local microclimates covers what one yard in Manawa can differ from the 54949 normal. zone vs. frost date covers why Zone 5a and Manawa's frost date answer different questions.