Doing Dahlias - The Colorado Dahlia Society. Articles on choosing and growing dahlias, photo galleries and membership information. American Dahlia Society - Includes directory of local groups, classification guide, resources and photographs. Snohomish County Dahlia Society - Includes a variety of dahlia topics, including pictures and information about growing and caring for dahlias. Mid Island Dahlia Society - Membership information and comprehensive growing instructions. Puget Sound Dahlia Association - Provides event schedule, publications, photographs and culture information. 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. Alabama Dahlia Society - Provides contact information and schedule. Minnesota Dahlia Society - Membership information, schedule of events and show results. Midlands Dahlia Society - UK organization of dahlia enthusiasts presents news, event calendar, a photo gallery, and frequently asked questions. Greater Philadelphia Dahlia Society - Provides event schedule, show results and photographs. Michigan Dahlia Association - Features show results and photographs. Nova Scotia Dahlia Society - A group of gardeners growing and promoting dahlias in Nova Scotia.