FrostDateCheck

La Paz, IN 46537 Frost Dates

46537, near La Paz, IN: the frost window

Zone 6a

Typically, the last spring freeze lands around 05/01, roughly 246 days out. Fall's first freeze usually shows up around 10/13, roughly 163 days after the last spring frost.

La Paz 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

La Paz'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.

How much risk comes with planting early here

05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.

La Paz against the rest of the dataset

La Paz's growing season runs about 163 days, ranking 31,514 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 915 of 927.

Learn more

Two guides worth reading on 46537: local microclimates, on what one yard in La Paz can differ from the 46537 normal, and zone vs. frost date, on why Zone 6a and La Paz's frost date answer different questions.