Marshfield, MO 65706 Frost Dates
65706, near Marshfield, MO: the frost window
The last spring frost here typically falls around 04/13, about 228 days from today. Fall's first freeze usually shows up around 10/24, roughly 191 days after the last spring frost.
Marshfield sits in USDA Zone 6b (-5 to 0°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
Marshfield's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/13 isn't a guarantee
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Marshfield against the rest of the dataset
Marshfield's growing season runs about 191 days, ranking 20,747 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 721 of 1,129.
Learn more
Two guides worth reading on 65706: zone vs. frost date, on why Zone 6b and Marshfield's frost date answer different questions, and the frost range, on how to read the range around Marshfield's dates instead of trusting one.