1980
Photographed at the Royal Botanic Gardens, Kew.
13th October 2007
Photographed at the Royal Horticultural Society's garden, Wisley.
26th September 2008
Photographed at the Royal Horticultural Society's garden, Wisley.
15th June 2009
Photographed at the Royal Horticultural Society's garden, Wisley.
15th June 2009
Photographed at the Royal Horticultural Society's garden, Wisley.
6th February 2010
Photographed at the Royal Horticultural Society's garden, Wisley.