Alabama Dahlia Society
Provides contact information and schedule.
American Dahlia Society
Includes directory of local groups, classification guide, resources and photographs.
Comox Valley Dahlia Society
Provides photographs and calendar.
Fraser Valley Dahlia Society
Presents photographs, news and event schedule.
Greater Philadelphia Dahlia Society
Provides event schedule, show results and photographs.
John E. Stowell Dahlia Society
Northern California group provides event schedule, photographs and membership information.
Michigan Dahlia Association
Features show results and photographs.
Mid Island Dahlia Society
Host of the American Dahlia Society 2001 National Show
Minnesota Dahlia Society
Show information and results, and a little history.
National Capital Dahlia Society
Promotes the genus in the metropolitan Washington D.C. area. Includes culture tips, show schedule and results.
Pacific Rim Dahlia Society
Includes events, photographs and culture tips.
Puget Sound Dahlia Association
Provides event schedule, publications, photographs and culture information.
Snohomish County Dahlia Society
Contains a variety of dahlia topics, including pictures and information about growing and caring for dahlias.
The National Dahlia Society
The governing body for the promotion of dahlias in the UK, regulating shows, classification, and judging. Information about membership and events, as well as about dahlias and their cultivation.