Ridley Park, PA 19094 Frost Dates
Frost dates for Ridley Park, PA, ZIP 19094
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 Ridley Park, not a forecast for this year.
What to do before the first frost
Zone 7b around Ridley Park has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Ridley Park'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 Ridley Park compares
At roughly 224 frost-free days, Ridley Park places 11,818 of 40,283 ZIP codes in this dataset. Within PA, it ranks 12 of 2,088.
Learn more
the frost range explains how to read the range around Ridley Park's dates instead of trusting one, and local microclimates explains what one yard in Ridley Park can differ from the 19094 normal.