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

9th April 2011
Photographed at the Royal Horticultural Society's garden, Wisley.

20th April 2012
Photographed at the Royal Horticultural Society's garden, Wisley.

20th April 2012
Photographed at the Royal Horticultural Society's garden, Wisley.

21st April 2012
Photographed at the Royal Horticultural Society's garden, Hyde Hall.