Jefferson County, Washington, WA, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Jefferson County, Washington (WA), USA is:

• 7b
• 8b
• 9a

by the USDA scale.

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

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

Cities of Jefferson County, Washington (WA), USA

• BrinnonUSDA hardiness zone: 8b
• ChimacumUSDA hardiness zone: 8b
• ClearwaterUSDA hardiness zone: 8b
• Fort FlaglerUSDA hardiness zone: 8b
• KalalochUSDA hardiness zone: 8b
• MarrowstoneUSDA hardiness zone: 8b
• NordlandUSDA hardiness zone: 8b
• Olympic Natl ParkUSDA hardiness zone: 7b
• Port HadlockUSDA hardiness zone: 8b
• Port LudlowUSDA hardiness zone: 8b
• Port TownsendUSDA hardiness zone: 9a
• QueetsUSDA hardiness zone: 8b
• QuilceneUSDA hardiness zone: 8b