A distinct and interesting species in cultivation since 1575, often known as ‘The Snakeshead Iris’ or ‘Widow Iris’. The fairly large erect flowers are of a peculiar olive-green shade, with dark almost black velvety purple falls, occasionally streaked with yellow or bright green.
(Spring Bells). Dainty little bell-shaped flowers of pure white, beautifully tipped with green or yellow markings.
RHS Award of Garden Merit.
Pale yellow to lime-green flower heads.