North Apollo, PA 15673 Frost Dates
When can you plant in North Apollo, PA?
Typically, the last spring freeze lands around 04/29, roughly 244 days out. The first fall frost typically arrives around 10/20, about 171 frost-free days later.
North Apollo sits in USDA Zone 6b (-5 to 0°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 8 weeks of growing season left in North Apollo before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How North Apollo compares
About 171 days separate North Apollo's last and first frost, putting it 28,717 of 40,283 ZIP codes nationally. Within PA, it ranks 1,434 of 2,088.
Learn more
local microclimates covers what one yard in North Apollo can differ from the 15673 normal. zone vs. frost date covers why Zone 6b and North Apollo's frost date answer different questions.