Hebron, IN 46302 Frost Dates
Frost dates for Hebron, IN, ZIP 46302
Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/26, about 187 frost-free days later.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Hebron, not a forecast for this year.
What to do before the first frost
Zone 5b around Hebron 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.
The actual range around Hebron's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hebron compares
About 187 days separate Hebron's last and first frost, putting it 22,368 of 40,283 ZIP codes nationally. Within IN, it ranks 304 of 927.
Learn more
local microclimates explains what one yard in Hebron can differ from the 46302 normal, and zone vs. frost date explains why Zone 5b and Hebron's frost date answer different questions.