The following are related links of interest to dahlia growers:
American Dahlia Society Here you will find the ADS classification guide, dahlia articles and links to all of the other dahlia societies.
Federation of Northwest Dahlia Growers A non profit horticultural society specializing in the growing and showing of dahlias.
Northwest Dahlia Organizations
The Washington State Dahlia Society Tacoma, WA
Portland Dahlia Society Portland, OR
Puget Sound Dahlia Association Kenmore, WA
Snohomish County Dahlia Society Snohomish County, WA
Vancouver Dahlia Society. Vancouver, B.C.
Whatcom County Dahlia Society Lynden, WA
Pacific Rim Dahlia Society Victoria, B.C.