Leavenworth, IN 47174 Frost Dates
Leavenworth, IN: when does the frost end?
The last spring frost here typically falls around 04/11, about 226 days from today. Fall's first freeze usually shows up around 10/26, roughly 197 days after the last spring frost.
Zone 6b (-5 to 0°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 Leavenworth, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Leavenworth's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Leavenworth's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Leavenworth against the rest of the dataset
About 197 days separate Leavenworth's last and first frost, putting it 18,824 of 40,283 ZIP codes nationally. Within IN, it ranks 155 of 927.
Learn more
Before leaning on 47174's figures: local microclimates explains what one yard in Leavenworth can differ from the 47174 normal, while zone vs. frost date explains why Zone 6b and Leavenworth's frost date answer different questions.