Lewisburg, KY 42280 Frost Dates
When can you plant in Lewisburg, KY?
Around 04/03 is the usual last spring frost, about 218 days away. The first fall frost typically arrives around 10/29, about 207 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lewisburg in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 9 weeks of growing season left in Lewisburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Lewisburg's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lewisburg compares
At roughly 207 frost-free days, Lewisburg places 15,859 of 40,283 ZIP codes in this dataset. Within KY, it ranks 175 of 909.
Learn more
the frost range covers how to read the range around Lewisburg's dates instead of trusting one. local microclimates covers what one yard in Lewisburg can differ from the 42280 normal.