Felton, PA 17309 Frost Dates
Felton, PA: when does the frost end?
Typically, the last spring freeze lands around 04/26, roughly 241 days out. Fall's first freeze usually shows up around 10/19, roughly 177 days after the last spring frost.
Zone 7a (0 to 5°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 Felton, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Felton'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
04/26 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 05/13 and only about 1 year in 10 sees frost after that.
Felton against the rest of the dataset
Felton's growing season runs about 177 days, ranking 26,225 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 979 of 2,088.
Learn more
Before leaning on 17309's figures: local microclimates explains what one yard in Felton can differ from the 17309 normal, while zone vs. frost date explains why Zone 7a and Felton's frost date answer different questions.