FrostDateCheck

South Heights, PA 15081 Frost Dates

Frost dates for South Heights, PA, ZIP 15081

Zone 6b

Around 04/28 is the usual last spring frost, about 243 days away. The first fall frost typically arrives around 10/18, about 172 frost-free days later.

The USDA Plant Hardiness Zone Map puts South Heights in Zone 6b (-5 to 0°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

Zone 6b around South Heights has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around South Heights's last frost

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. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.

How South Heights compares

South Heights's growing season runs about 172 days, ranking 28,469 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,406 of 2,088.

Learn more

the frost range explains how to read the range around South Heights's dates instead of trusting one, and local microclimates explains what one yard in South Heights can differ from the 15081 normal.