1981
Photographed at the Royal Horticultural Society's garden, Wisley.
15th February 2011
Photographed at the RHS Plant and Design show, Vincent Square.
3rd March 2012
Photographed at the AGS show, Harlow.
16th February 2013
Photographed at the AGS show, Newport.
16th February 2013
Photographed at the AGS show, Newport.