FrostDateCheck

Lagro, IN 46941 Frost Dates

Frost dates for Lagro, IN, ZIP 46941

Zone 6a

Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/21, about 181 frost-free days later.

Lagro 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.

What to do before the first frost

Zone 6a around Lagro has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

How much risk comes with planting early here

04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Lagro compares

Lagro's growing season runs about 181 days, ranking 24,701 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 475 of 927.

Learn more

the frost range explains how to read the range around Lagro's dates instead of trusting one, and local microclimates explains what one yard in Lagro can differ from the 46941 normal.