FrostDateCheck

Bloomfield, KY 40008 Frost Dates

40008, near Bloomfield, KY: the frost window

Zone 6b

Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/16, roughly 176 days after the last spring frost.

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 Bloomfield, not a forecast for this year.

Stretching the season past the first frost

Bloomfield's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.

Bloomfield against the rest of the dataset

At roughly 176 frost-free days, Bloomfield places 26,543 of 40,283 ZIP codes in this dataset. Within KY, it ranks 822 of 909.

Learn more

Two guides worth reading on 40008: the frost range, on how to read the range around Bloomfield's dates instead of trusting one, and local microclimates, on what one yard in Bloomfield can differ from the 40008 normal.