FrostDateCheck

Converse, IN 46919 Frost Dates

46919, near Converse, IN: the frost window

Zone 6a

Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/20, roughly 175 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Converse in Zone 6a (-10 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

Converse'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 04/26 isn't a guarantee

04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.

Converse against the rest of the dataset

At roughly 175 frost-free days, Converse places 27,068 of 40,283 ZIP codes in this dataset. Within IN, it ranks 638 of 927.

Learn more

Two guides worth reading on 46919: the frost range, on how to read the range around Converse's dates instead of trusting one, and local microclimates, on what one yard in Converse can differ from the 46919 normal.