What cold zone is PA?
What cold zone is PA? Pennsylvania falls within hardiness zones 5a to 7b, with the majority of the state falling within zones 5b to 7a. The zone classification is determined by average minimum winter temperatures, ranging from -20°F to 10°F (-28.9°C to -12.2°C). What planting zone is PA in? Pennsylvania is in hardiness zones 5a, …