Brookeville, MD 20905 Frost Dates
Brookeville, MD: when does the frost end?
Around 04/05 is the usual last spring frost, about 220 days away. Fall's first freeze usually shows up around 11/09, roughly 218 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Brookeville in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 10 weeks until Brookeville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Brookeville's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Brookeville against the rest of the dataset
Brookeville's growing season runs about 218 days, ranking 13,346 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 267 of 583.
Learn more
Before leaning on 20905's figures: the frost range explains how to read the range around Brookeville's dates instead of trusting one, while local microclimates explains what one yard in Brookeville can differ from the 20905 normal.