Osceola Mills, PA 16677 Frost Dates
When can you plant in Osceola Mills, PA?
Typically, the last spring freeze lands around 05/13, roughly 258 days out. The first fall frost typically arrives around 10/01, about 142 frost-free days later.
Osceola Mills 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 5 weeks of growing season left in Osceola Mills before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/13 isn't a guarantee
05/13 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Osceola Mills compares
At roughly 142 frost-free days, Osceola Mills places 36,770 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,947 of 2,088.
Learn more
local microclimates covers what one yard in Osceola Mills can differ from the 16677 normal. zone vs. frost date covers why Zone 6a and Osceola Mills's frost date answer different questions.