Watterson Park, KY 40257 Frost Dates
When can you plant in Watterson Park, 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.
Watterson Park sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 10 weeks of growing season left in Watterson Park before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
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 Watterson Park compares
About 214 days separate Watterson Park's last and first frost, putting it 14,300 of 40,283 ZIP codes nationally. Within KY, it ranks 52 of 909.
Learn more
zone vs. frost date covers why Zone 7a and Watterson Park's frost date answer different questions. the frost range covers how to read the range around Watterson Park's dates instead of trusting one.