Federalsburg, MD 21632 Frost Dates
Federalsburg, MD: when does the frost end?
Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 10/30, roughly 200 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Federalsburg 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 9 weeks until Federalsburg's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
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 04/28 and only about 1 year in 10 sees frost after that.
Federalsburg against the rest of the dataset
About 200 days separate Federalsburg's last and first frost, putting it 17,796 of 40,283 ZIP codes nationally. Within MD, it ranks 466 of 583.
Learn more
Before leaning on 21632's figures: local microclimates explains what one yard in Federalsburg can differ from the 21632 normal, while zone vs. frost date explains why Zone 7b and Federalsburg's frost date answer different questions.