Vorderland, Appenzell Ausserrhoden (Outer-Rhodes), AR, Switzerland plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Vorderland, Appenzell Ausserrhoden (Outer-Rhodes) (AR), Switzerland is:

• 6a

by the USDA scale.

• coldest zone's winter temperature: −23.3 … −20.6 °C

Cities of Vorderland, Appenzell Ausserrhoden (Outer-Rhodes) (AR), Switzerland

• HeidenUSDA hardiness zone: 6a