1981
Photographed at Savill Gardens.

9th April 2011
Photographed at the RHS garden, Wisley.

30th June 2012
Photographed at the RHS garden, Wisley.

30th June 2012
Photographed at the RHS garden, Wisley.

8th July 2013
Photographed at the Royal Botanic Gardens, Kew.

8th July 2013
Photographed at the Royal Botanic Gardens, Kew.