New Market, MD 21774 Frost Dates
21774, near New Market, MD: the frost window
Typically, the last spring freeze lands around 04/02, roughly 217 days out. Fall's first freeze usually shows up around 11/06, roughly 218 days after the last spring frost.
New Market 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
New Market's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around New Market's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
New Market against the rest of the dataset
New Market's growing season runs about 218 days, ranking 13,291 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 263 of 583.
Learn more
Two guides worth reading on 21774: zone vs. frost date, on why Zone 7a and New Market's frost date answer different questions, and the frost range, on how to read the range around New Market's dates instead of trusting one.