Iris versicolor 'Dark Aura'
Dark violet-blue flowers bloom May to June on 36" tall jet black scapes. New growth is flushed in black-purple . Space 24" apart. Native to wet areas, and works well beside ponds. Deer resistant.
Full sun to light shade in average, well-drained to wet and boggy soil. Very adaptable. Can be potted and sunk into ponds for a focal point.
Blue Flag Iris