Newport County, Rhode Island, RI, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Newport County, Rhode Island (RI), USA is:

• 7a

by the USDA scale.

• coldest zone's winter temperature: 0 … +5 °F

Cities of Newport County, Rhode Island (RI), USA

• AdamsvilleUSDA hardiness zone: 7a
• JamestownUSDA hardiness zone: 7a
• Little ComptonUSDA hardiness zone: 7a
• MelvilleUSDA hardiness zone: 7a
• MiddletownUSDA hardiness zone: 7a
• NewportUSDA hardiness zone: 7a
• Newport EastUSDA hardiness zone: 7a
• PortsmouthUSDA hardiness zone: 7a
• Prudence IslandUSDA hardiness zone: 7a
• TivertonUSDA hardiness zone: 7a