1981
Photographed at the Royal Botanic Gardens, Kew.

18th February 2006
Photographed at the Royal Horticultural Society's garden, Wisley.

24th February 2007
Photographed at the Royal Horticultural Society's garden, Wisley.

24th February 2007
Photographed at the Royal Horticultural Society's garden, Wisley.

14th February 2009
Photographed at the Alpine Garden Society show, Newport.

3rd March 2012
Photographed at the Alpine Garden Society show, Harlow.

3rd March 2012
Photographed at the Alpine Garden Society show, Harlow.

19th April 2012
Photographed at the Royal Horticultural Society's garden, Wisley.