Alexandria, IN 46001 Frost Dates
46001, near Alexandria, IN: the frost window
The last spring frost here typically falls around 04/19, about 234 days from today. Fall's first freeze usually shows up around 10/23, roughly 186 days after the last spring frost.
Alexandria sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Alexandria'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.
How much risk comes with planting early here
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Alexandria against the rest of the dataset
About 186 days separate Alexandria's last and first frost, putting it 22,775 of 40,283 ZIP codes nationally. Within IN, it ranks 328 of 927.
Learn more
Two guides worth reading on 46001: local microclimates, on what one yard in Alexandria can differ from the 46001 normal, and zone vs. frost date, on why Zone 6a and Alexandria's frost date answer different questions.