Richland, PA 17087 Frost Dates
17087, near Richland, PA: the frost window
Around 04/20 is the usual last spring frost, about 235 days away. Fall's first freeze usually shows up around 10/25, roughly 185 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Richland in Zone 7a (0 to 5°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
Richland's growing season runs out in roughly 8 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 Richland's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Richland against the rest of the dataset
Richland's growing season runs about 185 days, ranking 23,215 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 715 of 2,088.
Learn more
Two guides worth reading on 17087: the frost range, on how to read the range around Richland's dates instead of trusting one, and local microclimates, on what one yard in Richland can differ from the 17087 normal.