Cheswold, DE 19936 Frost Dates
Frost dates for Cheswold, DE, ZIP 19936
Around 04/04 is the usual last spring frost, about 219 days away. The first fall frost typically arrives around 11/04, about 214 frost-free days later.
The USDA Plant Hardiness Zone Map puts Cheswold in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7b around Cheswold has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cheswold compares
About 214 days separate Cheswold's last and first frost, putting it 14,262 of 40,283 ZIP codes nationally. Within DE, it ranks 20 of 96.
Learn more
zone vs. frost date explains why Zone 7b and Cheswold's frost date answer different questions, and the frost range explains how to read the range around Cheswold's dates instead of trusting one.