Grayson, KY 41132 Frost Dates
When can you plant in Grayson, KY?
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/17, about 172 frost-free days later.
Zone 6b (-5 to 0°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 Grayson, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Grayson 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
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grayson compares
Grayson's growing season runs about 172 days, ranking 28,290 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 855 of 909.
Learn more
the frost range covers how to read the range around Grayson's dates instead of trusting one. local microclimates covers what one yard in Grayson can differ from the 41132 normal.