Aldan, PA 19018 Frost Dates
When can you plant in Aldan, PA?
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 11/10, about 224 frost-free days later.
Zone 7b (5 to 10°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 Aldan, not a forecast for this year.
What to do before the first frost
About 11 weeks of growing season left in Aldan before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Aldan's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Aldan compares
At roughly 224 frost-free days, Aldan places 11,864 of 40,283 ZIP codes in this dataset. Within PA, it ranks 33 of 2,088.
Learn more
zone vs. frost date covers why Zone 7b and Aldan's frost date answer different questions. the frost range covers how to read the range around Aldan's dates instead of trusting one.