Speedway, IN 46214 Frost Dates
Frost dates for Speedway, IN, ZIP 46214
Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 10/29, about 198 frost-free days later.
Speedway 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
Zone 6b around Speedway has about 9 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.
The actual range around Speedway's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Speedway compares
At roughly 198 frost-free days, Speedway places 18,378 of 40,283 ZIP codes in this dataset. Within IN, it ranks 118 of 927.
Learn more
zone vs. frost date explains why Zone 6b and Speedway's frost date answer different questions, and the frost range explains how to read the range around Speedway's dates instead of trusting one.