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.