Tullytown, PA 19054 Frost Dates
Frost dates for Tullytown, PA, ZIP 19054
Typically, the last spring freeze lands around 04/17, roughly 232 days out. The first fall frost typically arrives around 10/28, about 192 frost-free days later.
Tullytown sits in USDA Zone 7a (0 to 5°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
Zone 7a around Tullytown has about 9 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.
Why 04/17 isn't a guarantee
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 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 Tullytown compares
About 192 days separate Tullytown's last and first frost, putting it 20,379 of 40,283 ZIP codes nationally. Within PA, it ranks 549 of 2,088.
Learn more
zone vs. frost date explains why Zone 7a and Tullytown's frost date answer different questions, and the frost range explains how to read the range around Tullytown's dates instead of trusting one.