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

8th April 2009
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.