1979
Photographed at Shinfield Grange, University of Reading.

15th April 2006
Photographed at the Royal Horticultural Society's garden, Wisley.

6th February 2010
Photographed at the Royal Horticultural Society's garden, Wisley.

16th February 2010
Photographed at the RHS Plant and Design show, Vincent Square.

16th February 2013
Photographed at the National Botanic Garden of Wales.