Wallowa County, Oregon, OR, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Wallowa County, Oregon (OR), USA is:

• 5a
• 5b
• 6a
• 7b

by the USDA scale.

• coldest zone's winter temperature: −20 … -15 °F

• warmest zone's winter temperature: +5 … +10 °F

Cities of Wallowa County, Oregon (OR), USA

• EnterpriseUSDA hardiness zone: 5b
• ImnahaUSDA hardiness zone: 7b
• JosephUSDA hardiness zone: 5a
• LostineUSDA hardiness zone: 5b
• MinamUSDA hardiness zone: 6a
• WallowaUSDA hardiness zone: 6a