Comox Valley Dahlia Society Features a message board, club calendar, photos, and more.

Fraser Valley Dahlia Society Contains members, meeting information, and links.

Mid Island Dahlia Society Offers show information, growing tips, and photos and descriptions of the Eastern Trial Garden in Westbury and the Paul Callahan Garden in Oyster Bay.

Pacific Rim Dahlia Society Includes show results and growing guide.

Quebec Dahlia Society Offers general information, photos, and events calendar. Also in French.

Puget Sound Dahlia Association Has an online brochure on growing dahlias, club information, and links.

Greater Philadelphia Dahlia Society - hosts an annual show each September at Longwood Gardens in Kennett Square. Includes show rules, member information, and links.

John E. Stowell Dahlia Society Information on public events, work parties, and the display garden in San Jose's Guadalupe River Park and Gardens.

National Capital Dahlia Society Promotes growing dahlias with an emphasis upon growers in the metro D.C. area.

Dahlia Diseases from Cooperative Extension - The Pennsylvania State University

Michigan Dahlia Association

National Capital Dahlia Society Promotes growing dahlias with an emphasis upon

Portland Dahlia Society

Snohomish County Dahlia Society Founded in 1909, the Snohomish County Dahlia Society is one of America's oldest existing dahlia societies. SCDS also has the honor of hosting America's longest running annual dahlia show, dating back to 1910.

Frenkys Dahlia World - The Netherlands

Growing Dahlias-North Carolina State

Growing Dahlias-University of Nebraska

Doing Dahlias a project of the Colorado Dahlia .

Dahlia-Net A mailing list for dahlia lovers.

Washington State Dahlia Society

Dahlia Organizations in Central Oregon

Dahlia Organizations

The American Dahlia Society

The On-line Guide to Growing Dahlias (Jon B. Truelove) How to grow them, classify them and exhibit them. Questions and answer forums.

Fraser Valley Western Canada

Orange Dahlias 

Stumble Falls Dahlia Garden - North Bend, OR

Dahlia Society of Alabama 

Dahlia-Net Discussion List

Growing Dahlias-North Carolina State

Growing Dahlias-University of Nebraska

Minnesota Dahlia Socity Minnesota Dahlia Society. The Minnesota Dahlia Society, based in the Twin Cities metropolitan area, is one of the largest societies in the United States.

Cal's Dahlia Page - Dahlia Tips and many pictures

Douglas County Dahlia Society Oregon, USA

Betty's Amazing Dahlias How to take care of Dahlias, and many pictures.