Abacus Dahlias (Wales)

American Dahlia Society

Ancient Society of York Florists (affiliated to NDS)  added 04/06/2009

Ayletts Dahlias

Canadian Chrysanthemum & Dahlia Society  
Driffield & District Chrysanthemum Society  
Dublin 5 Horticultural Society (affiliated to NDS)

Luuk Bouman (Netherlands)

Colorado Dahlia Society

Chesterfield C & D Society

(affiliated to NDS)

Bud and Carol Cruger Dahlias, USA

Ewell Horticultural Association

 

French Dahlia Society

German Dahlia Society

The Growing World of Dahlias

Ken's Dahlia site  

Jack Gott dahlias

Halls of Heddon

Hamburg Dahlia Gardens (Germany)

Hamilton Dahlia Farm  

Wayne Holland, Canada

Mid Island Dahlia Society

Minnesota Dahlia Society

Norfolk and Norwich Horticultural Society

 (affiliated to NDS)
Nuneaton Chrysanthemum & Dahlia Society   (affiliated to NDS)
Elsecar Hoyland and District Chrysanthemum Society (affiliated to NDS)

North West Dahlia Society

(affiliated to NDS)

Midlands Dahlia Society (affiliated to NDS)

Michel Robert (France)

Rayleigh Horticultural Society (affiliated to NDS)
Robert Stephensen a.k.a Rupert the Fish  

Royal Horticultural Society

The Southport & District Chrysanthemum Society  

Scottish Dahlia Scene

Station House Nurseries Ltd

Ververs of Holland (Aad Verwer )

 
Welsh Dahlia Society  

Winchester Growers (National Dahlia Collection)