Tullytown, PA 19030 Frost Dates
When can you plant in Tullytown, PA?
Typically, the last spring freeze lands around 04/10, roughly 225 days out. The first fall frost typically arrives around 11/01, about 202 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
About 9 weeks of growing season left in Tullytown before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tullytown compares
Tullytown's growing season runs about 202 days, ranking 17,255 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 224 of 2,088.
Learn more
local microclimates covers what one yard in Tullytown can differ from the 19030 normal. zone vs. frost date covers why Zone 7a and Tullytown's frost date answer different questions.