Some plants are adapted to survive cold winters ... For additional accuracy, each zone is sometimes split into two subzones, zone 6a and 6b, for example, but this level of detail is not always ...

you'll probably have good luck with Zone 6 plants. Here's what you need to know about gardening in USDA plant hardiness zones ...

Pennsylvania falls within the defined USDA Northeast region of the U.S.: the western Pennsylvania specific USDA Planting Zone is 6 (6a and 6b). This means that plants should be selected that can ...

While there are plenty of plants that can be grown throughout different ... In Tennessee, the state ranges in four different zones, 6a (-10 to 15 degrees Fahrenheit) in the highest altitude ...