Jeffersontown, KY 40299 Frost Dates
When can you plant in Jeffersontown, KY?
Around 04/03 is the usual last spring frost, about 218 days away. The first fall frost typically arrives around 11/03, about 214 frost-free days later.
Zone 7a (0 to 5°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 Jeffersontown, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Jeffersontown before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Jeffersontown'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. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jeffersontown compares
About 214 days separate Jeffersontown's last and first frost, putting it 14,226 of 40,283 ZIP codes nationally. Within KY, it ranks 35 of 909.
Learn more
the frost range covers how to read the range around Jeffersontown's dates instead of trusting one. local microclimates covers what one yard in Jeffersontown can differ from the 40299 normal.