FrostDateCheck

Quakertown, PA 18951 Frost Dates

When can you plant in Quakertown, PA?

Zone 7a

Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 10/17, about 175 frost-free days later.

The USDA Plant Hardiness Zone Map puts Quakertown in Zone 7a (0 to 5°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

About 7 weeks of growing season left in Quakertown before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Quakertown's last frost

04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Quakertown compares

Quakertown's growing season runs about 175 days, ranking 26,823 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,125 of 2,088.

Learn more

the frost range covers how to read the range around Quakertown's dates instead of trusting one. local microclimates covers what one yard in Quakertown can differ from the 18951 normal.