Picture Rocks, PA 17742 Frost Dates
Picture Rocks, PA: when does the frost end?
Around 05/06 is the usual last spring frost, about 251 days away. Fall's first freeze usually shows up around 10/07, roughly 154 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Picture Rocks in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 6 weeks until Picture Rocks's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.
Picture Rocks against the rest of the dataset
About 154 days separate Picture Rocks's last and first frost, putting it 34,401 of 40,283 ZIP codes nationally. Within PA, it ranks 1,904 of 2,088.
Learn more
Before leaning on 17742's figures: local microclimates explains what one yard in Picture Rocks can differ from the 17742 normal, while zone vs. frost date explains why Zone 6b and Picture Rocks's frost date answer different questions.