Eagle Harbor, MD 20678 Frost Dates
Eagle Harbor, MD: when does the frost end?
Typically, the last spring freeze lands around 04/17, roughly 232 days out. Fall's first freeze usually shows up around 10/27, roughly 195 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Eagle Harbor 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 Eagle Harbor's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Eagle Harbor's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Eagle Harbor against the rest of the dataset
About 195 days separate Eagle Harbor's last and first frost, putting it 19,399 of 40,283 ZIP codes nationally. Within MD, it ranks 519 of 583.
Learn more
Before leaning on 20678's figures: local microclimates explains what one yard in Eagle Harbor can differ from the 20678 normal, while zone vs. frost date explains why Zone 7b and Eagle Harbor's frost date answer different questions.