Macy, IN 46951 Frost Dates
When can you plant in Macy, IN?
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/21, about 180 frost-free days later.
Macy 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 8 weeks of growing season left in Macy before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/23 isn't a guarantee
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 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 Macy compares
Macy's growing season runs about 180 days, ranking 25,082 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 517 of 927.
Learn more
zone vs. frost date covers why Zone 6a and Macy's frost date answer different questions. the frost range covers how to read the range around Macy's dates instead of trusting one.