Dahlia Addict (Dahlia Variety Locator)
dahliaaddict.com
ADS Classification And Handbook Of Dahlias
dahlia.org/guide/dahlmain.html
Whatcom County Dahlia Society
whatcomcountydahliasociety.org
The Big List (North American Dahlia Variety Locator)
dahlias.net/dbiglist.htm
How To Grow Dahlias
dahlias.com/howtogrowdahlias.aspx
Garden Savy (Garden Suppliers)
gardensavvy.com