FrostDateCheck

Newark, DE 19713 Frost Dates

When can you plant in Newark, DE?

Zone 7b

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.

Newark sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 9 weeks of growing season left in Newark before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Newark'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 Newark compares

At roughly 209 frost-free days, Newark places 15,148 of 40,283 ZIP codes in this dataset. Within DE, it ranks 35 of 96.

Learn more

zone vs. frost date covers why Zone 7b and Newark's frost date answer different questions. the frost range covers how to read the range around Newark's dates instead of trusting one.