Carmichaels, PA 15443 Frost Dates
When can you plant in Carmichaels, PA?
Around 04/28 is the usual last spring frost, about 243 days away. The first fall frost typically arrives around 10/21, about 175 frost-free days later.
The USDA Plant Hardiness Zone Map puts Carmichaels in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 8 weeks of growing season left in Carmichaels 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
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Carmichaels compares
Carmichaels's growing season runs about 175 days, ranking 27,198 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,252 of 2,088.
Learn more
the frost range covers how to read the range around Carmichaels's dates instead of trusting one. local microclimates covers what one yard in Carmichaels can differ from the 15443 normal.