St. Paul, IN 47272 Frost Dates
47272, near St. Paul, IN: the frost window
The last spring frost here typically falls around 04/15, about 230 days from today. Fall's first freeze usually shows up around 10/26, roughly 194 days after the last spring frost.
Zone 6b (-5 to 0°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 St. Paul, not a forecast for this year.
Stretching the season past the first frost
St. Paul'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 04/15 isn't a guarantee
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
St. Paul against the rest of the dataset
St. Paul's growing season runs about 194 days, ranking 19,535 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 193 of 927.
Learn more
Two guides worth reading on 47272: local microclimates, on what one yard in St. Paul can differ from the 47272 normal, and zone vs. frost date, on why Zone 6b and St. Paul's frost date answer different questions.