Springfield, MO 65898 Frost Dates
65898, near Springfield, MO: the frost window
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 10/27, roughly 204 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Springfield in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Springfield'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.
The actual range around Springfield's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/20 and only about 1 year in 10 sees frost after that.
Springfield against the rest of the dataset
About 204 days separate Springfield's last and first frost, putting it 16,457 of 40,283 ZIP codes nationally. Within MO, it ranks 281 of 1,129.
Learn more
Two guides worth reading on 65898: the frost range, on how to read the range around Springfield's dates instead of trusting one, and local microclimates, on what one yard in Springfield can differ from the 65898 normal.