Funkstown, MD 21734 Frost Dates
21734, near Funkstown, MD: the frost window
The last spring frost here typically falls around 04/11, about 226 days from today. Fall's first freeze usually shows up around 10/28, roughly 199 days after the last spring frost.
Funkstown 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.
Stretching the season past the first frost
Funkstown's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Funkstown against the rest of the dataset
At roughly 199 frost-free days, Funkstown places 18,161 of 40,283 ZIP codes in this dataset. Within MD, it ranks 475 of 583.
Learn more
Two guides worth reading on 21734: the frost range, on how to read the range around Funkstown's dates instead of trusting one, and local microclimates, on what one yard in Funkstown can differ from the 21734 normal.