Forsyth, MO 65731 Frost Dates
65731, near Forsyth, MO: the frost window
Typically, the last spring freeze lands around 04/06, roughly 221 days out. Fall's first freeze usually shows up around 10/31, roughly 205 days after the last spring frost.
Zone 7a (0 to 5°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 Forsyth, not a forecast for this year.
Stretching the season past the first frost
Forsyth's growing season runs out in roughly 9 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
04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.
Forsyth against the rest of the dataset
Forsyth's growing season runs about 205 days, ranking 16,311 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 253 of 1,129.
Learn more
Two guides worth reading on 65731: zone vs. frost date, on why Zone 7a and Forsyth's frost date answer different questions, and the frost range, on how to read the range around Forsyth's dates instead of trusting one.