Brownstown, IN 47249 Frost Dates
When can you plant in Brownstown, IN?
Around 04/16 is the usual last spring frost, about 231 days away. The first fall frost typically arrives around 10/21, about 187 frost-free days later.
Brownstown sits in USDA Zone 6b (-5 to 0°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 8 weeks of growing season left in Brownstown before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/16 isn't a guarantee
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brownstown compares
About 187 days separate Brownstown's last and first frost, putting it 22,392 of 40,283 ZIP codes nationally. Within IN, it ranks 307 of 927.
Learn more
zone vs. frost date covers why Zone 6b and Brownstown's frost date answer different questions. the frost range covers how to read the range around Brownstown's dates instead of trusting one.