Lebanon, KY 40033 Frost Dates
Lebanon, KY: when does the frost end?
Around 04/22 is the usual last spring frost, about 237 days away. Fall's first freeze usually shows up around 10/20, roughly 180 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Lebanon in Zone 7a (0 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 8 weeks until Lebanon's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Lebanon against the rest of the dataset
Lebanon's growing season runs about 180 days, ranking 24,840 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 790 of 909.
Learn more
Before leaning on 40033's figures: zone vs. frost date explains why Zone 7a and Lebanon's frost date answer different questions, while the frost range explains how to read the range around Lebanon's dates instead of trusting one.