FrostDateCheck

Georgetown, DE 19947 Frost Dates

Frost dates for Georgetown, DE, ZIP 19947

Zone 7b

Typically, the last spring freeze lands around 04/04, roughly 219 days out. The first fall frost typically arrives around 11/06, about 217 frost-free days later.

The USDA Plant Hardiness Zone Map puts Georgetown 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 Georgetown 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.

The actual range around Georgetown's last frost

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. 04/16 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Georgetown compares

Georgetown's growing season runs about 217 days, ranking 13,453 of 40,283 US ZIP codes measured here, longest to shortest. Within DE, it ranks 7 of 96.

Learn more

local microclimates explains what one yard in Georgetown can differ from the 19947 normal, and zone vs. frost date explains why Zone 7b and Georgetown's frost date answer different questions.