Farrell, PA 16121 Frost Dates
When can you plant in Farrell, PA?
Around 05/01 is the usual last spring frost, about 246 days away. The first fall frost typically arrives around 10/17, about 167 frost-free days later.
Farrell 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 7 weeks of growing season left in Farrell before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/01 isn't a guarantee
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Farrell compares
Farrell's growing season runs about 167 days, ranking 29,968 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,513 of 2,088.
Learn more
zone vs. frost date covers why Zone 6a and Farrell's frost date answer different questions. the frost range covers how to read the range around Farrell's dates instead of trusting one.