Albula, Graubünden (Grisons), GR, Switzerland plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Albula, Graubünden (Grisons) (GR), Switzerland is:

• 6b
• 7a
• 7b

by the USDA scale.

• coldest zone's winter temperature: −20.6 … −17.8 °C

• warmest zone's winter temperature: −15 … −12.2 °C

Cities of Albula, Graubünden (Grisons) (GR), Switzerland

• Albula (Alvra)USDA hardiness zone: 7b
• Bergün FilisurUSDA hardiness zone: 6b
• Lantsch/LenzUSDA hardiness zone: 7b
• SchmittenUSDA hardiness zone: 6b
• SursesUSDA hardiness zone: 7a
• Vaz/ObervazUSDA hardiness zone: 7b