Reedsville, WI 54230 Frost Dates
54230, near Reedsville, WI: the frost window
Typically, the last spring freeze lands around 05/06, roughly 251 days out. Fall's first freeze usually shows up around 10/06, roughly 151 days after the last spring frost.
Reedsville sits in USDA Zone 5b (-15 to -10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Reedsville's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.
Reedsville against the rest of the dataset
Reedsville's growing season runs about 151 days, ranking 35,085 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 545 of 860.
Learn more
Two guides worth reading on 54230: zone vs. frost date, on why Zone 5b and Reedsville's frost date answer different questions, and the frost range, on how to read the range around Reedsville's dates instead of trusting one.