28th April 2007
Photographed at the Royal Horticultural Society's garden, Wisley.

19th April 2008
Photographed at the Royal Horticultural Society's garden, Wisley.

24th April 2010
Photographed at the Royal Horticultural Society's garden, Wisley.

24th April 2010
Photographed at the Royal Horticultural Society's garden, Wisley.

9th April 2011
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.