FrostDateCheck

Bellefonte, DE 19809 Frost Dates

When can you plant in Bellefonte, DE?

Zone 7b

Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 11/04, 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 Bellefonte, not a forecast for this year.

What to do before the first frost

About 10 weeks of growing season left in Bellefonte before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Bellefonte'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. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Bellefonte compares

Bellefonte's growing season runs about 209 days, ranking 15,313 of 40,283 US ZIP codes measured here, longest to shortest. Within DE, it ranks 76 of 96.

Learn more

the frost range covers how to read the range around Bellefonte's dates instead of trusting one. local microclimates covers what one yard in Bellefonte can differ from the 19809 normal.