Selbyville, DE 21862 Frost Dates
Selbyville, DE: when does the frost end?
Typically, the last spring freeze lands around 04/07, roughly 222 days out. Fall's first freeze usually shows up around 11/02, roughly 209 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Selbyville 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 Selbyville'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
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.
Selbyville against the rest of the dataset
About 209 days separate Selbyville's last and first frost, putting it 15,245 of 40,283 ZIP codes nationally. Within DE, it ranks 47 of 96.
Learn more
Before leaning on 21862's figures: the frost range explains how to read the range around Selbyville's dates instead of trusting one, while local microclimates explains what one yard in Selbyville can differ from the 21862 normal.