Maple Bluff, WI 53704 Frost Dates
Frost dates for Maple Bluff, WI, ZIP 53704
The last spring frost here typically falls around 05/01, about 246 days from today. The first fall frost typically arrives around 10/10, about 160 frost-free days later.
The USDA Plant Hardiness Zone Map puts Maple Bluff 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
Zone 5b around Maple Bluff has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Maple Bluff compares
Maple Bluff's growing season runs about 160 days, ranking 32,416 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 345 of 860.
Learn more
zone vs. frost date explains why Zone 5b and Maple Bluff's frost date answer different questions, and the frost range explains how to read the range around Maple Bluff's dates instead of trusting one.