Magnolia, DE 19905 Frost Dates
19905, near Magnolia, DE: the frost window
The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 11/04, roughly 214 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Magnolia 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
Magnolia'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.
How much risk comes with planting early here
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 04/17 and only about 1 year in 10 sees frost after that.
Magnolia against the rest of the dataset
About 214 days separate Magnolia's last and first frost, putting it 14,367 of 40,283 ZIP codes nationally. Within DE, it ranks 24 of 96.
Learn more
Two guides worth reading on 19905: the frost range, on how to read the range around Magnolia's dates instead of trusting one, and local microclimates, on what one yard in Magnolia can differ from the 19905 normal.