Avondale, PA 19350 Frost Dates
19350, near Avondale, PA: the frost window
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/26, roughly 189 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 Avondale, not a forecast for this year.
Stretching the season past the first frost
Avondale'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.
How much risk comes with planting early here
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
Avondale against the rest of the dataset
About 189 days separate Avondale's last and first frost, putting it 21,632 of 40,283 ZIP codes nationally. Within PA, it ranks 571 of 2,088.
Learn more
Two guides worth reading on 19350: local microclimates, on what one yard in Avondale can differ from the 19350 normal, and zone vs. frost date, on why Zone 7a and Avondale's frost date answer different questions.