To Plant a Garden is to Believe in Tomorrow
Use these Resources to Learn More About Dahlias
Growing Dahlias in Pots by Kristine Albrecht from the American Dahlia Society Website Dahlia University (click arrow to follow the link)
This video although titled "Growing Dahlias in Pots" has much useful information about dahlia tuber husbandry in general.
Planting dahlias in pots
Dahlia Cuttings - This is an important technique for serious Dahlia growers. It is explained by an expert, Kristine Albrecht in the American Dahlia Society Website Dahlia University video (click arrow to follow the link).