Louisa, KY 41230 Frost Dates
Louisa, KY: when does the frost end?
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/17, roughly 174 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Louisa 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 7 weeks until Louisa's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Louisa's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 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.
Louisa against the rest of the dataset
Louisa's growing season runs about 174 days, ranking 27,493 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 833 of 909.
Learn more
Before leaning on 41230's figures: the frost range explains how to read the range around Louisa's dates instead of trusting one, while local microclimates explains what one yard in Louisa can differ from the 41230 normal.