Seattle:

• North Seattle - Edmonds, Green Lake, Queen Anne - Northeast Clumps
• West Seattle, Mt. Baker, Leschi, Seward Park, Madrona & Beacon Hill - Grateful Deadheaders

King County:

• Kirkland, Woodinville, Bothell - Cirque du Salal
• Kenmore, Lake Forest Park, Bothell (also Snohomish County) - Sno-King Plant Junkies
• Auburn, Enumclaw, Federal Way, Issaquah - Joyful Gardeners
• Mercer Island, Bellevue - Mercerbelles
• Redmond, Bothell, Bellevue, Woodinville - Eastside Morning Glories 
• Carnation, Snoqualmie Valley, Fall City, East Redmond - Lilies of the Valley
• Mercer Island, Newcastle, Bellevue - The Dandy Lions
• Mercer Island, Issaquah, Renton, Kirkland, Seattle - Hortaholics
• Lake Forest Park, Kenmore, Woodinville, Bothell - Through the Grapevine
• Sammamish, Fall City - The Twisted Vines

South Puget Sound - Pierce, Kitsap, Thurston Counties:

• Puyallup, Lakewood, Tacoma, Olympia, Lacey - Petal Pushers 
• Gig Harbor, Fox Island, Bremerton, Port Orchard, W Tacoma - Harbor Gardeners
• Kingston, Indianola, Bainbridge Island, Silverdale, Hansville, Gig Harbor - Dewey Plantem and Howe

North Puget Sound - Snohomish, Island, Skagit Counties:

• Camano Island, Stanwood, Marysville and Arlington - Northern Exposure 
• Edmonds, Lynwood, Mukilteo - Late Bloomers
• Lynwood, Edmonds - Lynndales
• Whidbey Island (primarily South) - Langley, Clinton, Coupeville, Freeland & Greenback - Daytimers
• South Whidbey Island - Twilighters