Agastache 'Black Adder'

Agastache 'Black Adder'

Agastache 'Black Adder' 10th July 2010
Photographed at the Royal Horticultural Society's garden, Wisley.

Agastache 'Black Adder' 25th September 2010
Photographed at the Royal Horticultural Society's garden, Wisley.