Trinity County, California, CA, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Trinity County, California (CA), USA is:

• 8a
• 8b
• 9a

by the USDA scale.

• coldest zone's winter temperature: +10 … +15 °F

• warmest zone's winter temperature: +20 … +25 °F

Cities of Trinity County, California (CA), USA

• Big BarUSDA hardiness zone: 8b
• Burnt RanchUSDA hardiness zone: 8b
• Coffee CreekUSDA hardiness zone: 8a
• DedrickUSDA hardiness zone: 8a
• DennyUSDA hardiness zone: 8b
• Douglas CityUSDA hardiness zone: 8b
• HayforkUSDA hardiness zone: 8a
• HyampomUSDA hardiness zone: 8b
• Island MountainUSDA hardiness zone: 9a
• Junction CityUSDA hardiness zone: 8b
• LewistonUSDA hardiness zone: 8b
• Mad RiverUSDA hardiness zone: 8b
• PeanutUSDA hardiness zone: 8a
• RuthUSDA hardiness zone: 8a
• SalyerUSDA hardiness zone: 9a
• Trinity CenterUSDA hardiness zone: 8a
• Trinity VillageUSDA hardiness zone: 9a
• WeavervilleUSDA hardiness zone: 8a
• ZeniaUSDA hardiness zone: 9a