Prince's Lakes, IN 46164 Frost Dates
46164, near Prince's Lakes, IN: the frost window
The last spring frost here typically falls around 04/20, about 235 days from today. Fall's first freeze usually shows up around 10/19, roughly 180 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 Prince's Lakes, not a forecast for this year.
Stretching the season past the first frost
Prince's Lakes'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.
Why 04/20 isn't a guarantee
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Prince's Lakes against the rest of the dataset
About 180 days separate Prince's Lakes's last and first frost, putting it 24,926 of 40,283 ZIP codes nationally. Within IN, it ranks 499 of 927.
Learn more
Two guides worth reading on 46164: local microclimates, on what one yard in Prince's Lakes can differ from the 46164 normal, and zone vs. frost date, on why Zone 6a and Prince's Lakes's frost date answer different questions.