Marion Center, PA 15771 Frost Dates
When can you plant in Marion Center, PA?
Around 05/10 is the usual last spring frost, about 255 days away. The first fall frost typically arrives around 10/12, about 155 frost-free days later.
Marion Center sits in USDA Zone 6a (-10 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 6 weeks of growing season left in Marion Center before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Marion Center's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Marion Center compares
At roughly 155 frost-free days, Marion Center places 34,105 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,829 of 2,088.
Learn more
the frost range covers how to read the range around Marion Center's dates instead of trusting one. local microclimates covers what one yard in Marion Center can differ from the 15771 normal.