Dagsboro, DE 19939 Frost Dates
Dagsboro, DE: when does the frost end?
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 11/06, roughly 217 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Dagsboro 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 Dagsboro's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Dagsboro against the rest of the dataset
At roughly 217 frost-free days, Dagsboro places 13,562 of 40,283 ZIP codes in this dataset. Within DE, it ranks 12 of 96.
Learn more
Before leaning on 19939's figures: the frost range explains how to read the range around Dagsboro's dates instead of trusting one, while local microclimates explains what one yard in Dagsboro can differ from the 19939 normal.