FrostDateCheck

Walnutport, PA 18086 Frost Dates

When can you plant in Walnutport, PA?

Zone 6b

Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/24, about 184 frost-free days later.

Walnutport sits in USDA Zone 6b (-5 to 0°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 8 weeks of growing season left in Walnutport before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Walnutport's last frost

04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Walnutport compares

At roughly 184 frost-free days, Walnutport places 23,569 of 40,283 ZIP codes in this dataset. Within PA, it ranks 808 of 2,088.

Learn more

the frost range covers how to read the range around Walnutport's dates instead of trusting one. local microclimates covers what one yard in Walnutport can differ from the 18086 normal.