Join the RHS today and support our charity
Free personalised gardening advice
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Help us achieve our goals
Make a donation
I have forgotten my password
Keep me signed in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
See what events are on near you and browse your bookmarked pages.
Inspiring days out and so much more
We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
The RHS is the International Cultivar Registration Authority for Delphinium
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.
the RHS today and get 12 months for the price of 9
Sign into the RHS website to read more
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9