Wheatfield, IN 46380 Frost Dates
46380, near Wheatfield, IN: the frost window
The last spring frost here typically falls around 04/25, about 240 days from today. Fall's first freeze usually shows up around 10/17, roughly 173 days after the last spring frost.
Zone 5b (-15 to -10°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 Wheatfield, not a forecast for this year.
Stretching the season past the first frost
Wheatfield's growing season runs out in roughly 7 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
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Wheatfield against the rest of the dataset
About 173 days separate Wheatfield's last and first frost, putting it 28,003 of 40,283 ZIP codes nationally. Within IN, it ranks 729 of 927.
Learn more
Two guides worth reading on 46380: the frost range, on how to read the range around Wheatfield's dates instead of trusting one, and local microclimates, on what one yard in Wheatfield can differ from the 46380 normal.