Hebron, IN 46341 Frost Dates
Hebron, IN: when does the frost end?
Typically, the last spring freeze lands around 04/29, roughly 244 days out. Fall's first freeze usually shows up around 10/16, roughly 171 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hebron in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 7 weeks until Hebron's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Hebron against the rest of the dataset
About 171 days separate Hebron's last and first frost, putting it 28,638 of 40,283 ZIP codes nationally. Within IN, it ranks 760 of 927.
Learn more
Before leaning on 46341's figures: the frost range explains how to read the range around Hebron's dates instead of trusting one, while local microclimates explains what one yard in Hebron can differ from the 46341 normal.