The information listed below was formerly included in the Classification and Handbook of Dahlias (CHD).
To make the CDH more cost effective for printing and mailing, and slightly less bulky in your pocket, the information has been removed from the CHD and is available here.
| Trial Garden Procedures and Rules | view |
| Seedling Bench Procedures and Rules | view |
| Seedling Evaluation Scorecard Fully Double Front | view |
| Seedling Evaluation Scorecard Open Center Front | view |
| Seedling Evaluation Scorecard Back (Fully Double and Open Center) | view |
| ADS Reporting Guidelines | view |
| Classification Grid | view |