North Vernon, IN 47265 Frost Dates
North Vernon, IN: when does the frost end?
The last spring frost here typically falls around 04/21, about 236 days from today. Fall's first freeze usually shows up around 10/21, roughly 180 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts North Vernon in Zone 6b (-5 to 0°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 8 weeks until North Vernon'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
04/21 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 05/10 and only about 1 year in 10 sees frost after that.
North Vernon against the rest of the dataset
North Vernon's growing season runs about 180 days, ranking 24,839 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 481 of 927.
Learn more
Before leaning on 47265's figures: local microclimates explains what one yard in North Vernon can differ from the 47265 normal, while zone vs. frost date explains why Zone 6b and North Vernon's frost date answer different questions.