FrostDateCheck

Scottdale, PA 15612 Frost Dates

15612, near Scottdale, PA: the frost window

Zone 6b

Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/13, roughly 164 days after the last spring frost.

Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Scottdale, not a forecast for this year.

Stretching the season past the first frost

Scottdale's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Scottdale's last frost

05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.

Scottdale against the rest of the dataset

Scottdale's growing season runs about 164 days, ranking 30,922 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,566 of 2,088.

Learn more

Two guides worth reading on 15612: local microclimates, on what one yard in Scottdale can differ from the 15612 normal, and zone vs. frost date, on why Zone 6b and Scottdale's frost date answer different questions.