Grabill, IN 46743 Frost Dates
When can you plant in Grabill, IN?
Typically, the last spring freeze lands around 04/27, roughly 242 days out. The first fall frost typically arrives around 10/19, about 174 frost-free days later.
Grabill 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
About 7 weeks of growing season left in Grabill before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Grabill's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grabill compares
Grabill's growing season runs about 174 days, ranking 27,548 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 672 of 927.
Learn more
the frost range covers how to read the range around Grabill's dates instead of trusting one. local microclimates covers what one yard in Grabill can differ from the 46743 normal.