Download registration forms here:
Application form to register a Delphinium cultivar name
If possible, please send photographs with your registration form. The photos can be digital and sent via email or can be prints or photographic transparencies.
The RHS publishes the Delphinium Register Cumulative Supplement 1996. Subsequent annual supplements are published in the Yearbook of the Delphinium Society.
For further information, please contact:
International Delphinium Registrar
RHS Garden Wisley
Surrey GU23 6QB
Tel: (+44) (0)1483 212403
Anon. (1949). A Tentative Check-list of Delphinium Names. London: RHS.
Anon. (1970). Addendum to a Tentative Check-list of Delphinium Names. London: RHS.