Port Matilda, PA 16865 Frost Dates
Port Matilda, PA: when does the frost end?
Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/26, roughly 187 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Port Matilda 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 8 weeks until Port Matilda'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
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Port Matilda against the rest of the dataset
Port Matilda's growing season runs about 187 days, ranking 22,540 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 619 of 2,088.
Learn more
Before leaning on 16865's figures: zone vs. frost date explains why Zone 6b and Port Matilda's frost date answer different questions, while the frost range explains how to read the range around Port Matilda's dates instead of trusting one.