Liberty, PA 16930 Frost Dates
Liberty, PA: when does the frost end?
Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/23, roughly 180 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Liberty in Zone 6a (-10 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
With roughly 8 weeks until Liberty'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
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Liberty against the rest of the dataset
About 180 days separate Liberty's last and first frost, putting it 25,064 of 40,283 ZIP codes nationally. Within PA, it ranks 862 of 2,088.
Learn more
Before leaning on 16930's figures: zone vs. frost date explains why Zone 6a and Liberty's frost date answer different questions, while the frost range explains how to read the range around Liberty's dates instead of trusting one.