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

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

• 6b
• 7a

by the USDA scale.

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

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

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

• AshawayUSDA hardiness zone: 6b
• Block IslandUSDA hardiness zone: 7a
• BradfordUSDA hardiness zone: 7a
• CarolinaUSDA hardiness zone: 6b
• CharlestownUSDA hardiness zone: 7a
• ExeterUSDA hardiness zone: 6b
• Hope ValleyUSDA hardiness zone: 6b
• HopkintonUSDA hardiness zone: 6b
• KenyonUSDA hardiness zone: 6b
• KingstonUSDA hardiness zone: 6b
• MisquamicutUSDA hardiness zone: 7a
• NarragansettUSDA hardiness zone: 7a
• Narragansett PierUSDA hardiness zone: 7a
• North KingstownUSDA hardiness zone: 6b
• Peace Dale (Town of South Kingstown)USDA hardiness zone: 6b
• Quonochontaug (Town of Charlestown)USDA hardiness zone: 7a
• RockvilleUSDA hardiness zone: 6b
• SaunderstownUSDA hardiness zone: 7a
• ShannockUSDA hardiness zone: 6b
• SlocumUSDA hardiness zone: 6b
• WakefieldUSDA hardiness zone: 6b
• Watch HillUSDA hardiness zone: 7a
• WeekapaugUSDA hardiness zone: 7a
• West KingstonUSDA hardiness zone: 6b
• WesterlyUSDA hardiness zone: 7a
• Wood River JunctionUSDA hardiness zone: 6b
• WyomingUSDA hardiness zone: 6b