| The "University Hybrids were developed from a cross of cardinale X nudicaule tetraploidized (with colchicine) and then crossed with elatums. Unfortunately, the red genes have been difficult to separate from less desirable characteristics. |
Here is a link that might be useful: abstract
| The 'Red Princess' delphinium was reportedly shown at the International Flower Trade Show in 1997, but I can't find a source for it. A double red is listed (without picture) on this web page: http://www.roughamhallnurseries.co.uk/Delphiniums.htm And Delphinium 'Coral Sunset' is pictured at PlantSpotters, link below. Karl |
Here is a link that might be useful: Coral Sunset