FrostDateCheck

Sharpsville, IN 46937 Frost Dates

46937, near Sharpsville, IN: the frost window

Zone 6a

Typically, the last spring freeze lands around 04/27, roughly 242 days out. Fall's first freeze usually shows up around 10/18, roughly 174 days after the last spring frost.

Zone 6a (-10 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 Sharpsville, not a forecast for this year.

Stretching the season past the first frost

Sharpsville'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.

The actual range around Sharpsville's last frost

04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.

Sharpsville against the rest of the dataset

At roughly 174 frost-free days, Sharpsville places 27,588 of 40,283 ZIP codes in this dataset. Within IN, it ranks 681 of 927.

Learn more

Two guides worth reading on 46937: local microclimates, on what one yard in Sharpsville can differ from the 46937 normal, and zone vs. frost date, on why Zone 6a and Sharpsville's frost date answer different questions.