Ambia, IN 47917 Frost Dates
Ambia, IN: when does the frost end?
Around 04/25 is the usual last spring frost, about 240 days away. Fall's first freeze usually shows up around 10/13, roughly 169 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ambia in Zone 6a (-10 to -5°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 Ambia's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Ambia's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Ambia against the rest of the dataset
At roughly 169 frost-free days, Ambia places 29,600 of 40,283 ZIP codes in this dataset. Within IN, it ranks 825 of 927.
Learn more
Before leaning on 47917's figures: the frost range explains how to read the range around Ambia's dates instead of trusting one, while local microclimates explains what one yard in Ambia can differ from the 47917 normal.