Delaware City, DE 19886 Frost Dates
When can you plant in Delaware City, DE?
The last spring frost here typically falls around 04/07, about 222 days from today. The first fall frost typically arrives around 11/01, about 209 frost-free days later.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Delaware City, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Delaware City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Delaware City's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Delaware City compares
At roughly 209 frost-free days, Delaware City places 15,280 of 40,283 ZIP codes in this dataset. Within DE, it ranks 66 of 96.
Learn more
the frost range covers how to read the range around Delaware City's dates instead of trusting one. local microclimates covers what one yard in Delaware City can differ from the 19886 normal.