Each of the courses listed below covers a single topic pertinent to growing beautiful dahlias.
These courses have been written by dahlia enthusiasts, not necessarily scientists or horticulturalists. These enthusiasts are pleased to share their experience and best practices with you. Please keep in mind that there are a variety of opinions in the dahlia community and that different solutions and procedures work in different circumstances and locales. We urge you to participate in a local society where you will meet great growers with knowledge of growing dahlias in your area…and you’ll have fun!
Growing
| Preparing for a Dahlia Garden | view |
| Early Season Dahlia Hints | view |
| Cuttings | view |
| Starting Tubers | view |
| Tubers | view |
| Planting and Staking | view |
| Supporting Dahlias | view |
| Watering | view |
| Fertilizing, Bug and Disease Control | view |
| Grooming (includes topping, disbudding, and disbranching) | view |
| Growing Dahlias in Containers | view |
| Putting Your Dahlias Down for a Long Winter’s Nap (a Pictorial) | view |
Classification
| Understanding Dahlia Forms and Sizes | view |
| Understanding ADS Classification Numbers | view |
| Assigning Colors | view |
Articles
| Digging, Dividing, and Storing Tubers | view |
| The Saran Wrap Tuber Storage Method | view |
Videos
Get inspired with these videos from Kristine Albrecht, ADS member and ADS Genome Project Leader
| Grow Dahlias in Pots | view |
| Dahlia Cuttings | view |
| Starting Dahlias from Seeds | view |
| More on Starting Dahlias from Seed | view |
| Growing Seedlings in 4" Pots | view |
| A Fun Look at Staking Dahlias | view |
| An Innovating Way to Stake Dahlias | view |
More Videos
| Learn About Hybridization of Dahlias | view |
| Dahlia Cuttings featuring Mark Oldenkamp | view |
| Disbudding Dahlias | view |
| Tying Dahlias | view |