Worthington, IN 47471 Frost Dates
Worthington, IN: when does the frost end?
Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/20, roughly 180 days after the last spring frost.
Worthington 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.
Stretching the season past the first frost
With roughly 8 weeks until Worthington's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Worthington's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Worthington against the rest of the dataset
Worthington's growing season runs about 180 days, ranking 24,918 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 497 of 927.
Learn more
Before leaning on 47471's figures: zone vs. frost date explains why Zone 6b and Worthington's frost date answer different questions, while the frost range explains how to read the range around Worthington's dates instead of trusting one.