Narberth, PA 19083 Frost Dates
When can you plant in Narberth, PA?
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/10, about 224 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 Narberth, not a forecast for this year.
What to do before the first frost
About 11 weeks of growing season left in Narberth before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Narberth's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Narberth compares
About 224 days separate Narberth's last and first frost, putting it 11,861 of 40,283 ZIP codes nationally. Within PA, it ranks 32 of 2,088.
Learn more
zone vs. frost date covers why Zone 7b and Narberth's frost date answer different questions. the frost range covers how to read the range around Narberth's dates instead of trusting one.