Iris x robusta 'Gerald Darby'
Bare rooted - Iris x robusta 'Gerald Darby' .
Iris × robusta is a designation for hybrids of two native American irises (Iris versicolor × Iris virginica). 'Gerald Darby' is a rhizomatous perennial to 1.2m in height, with arching, narrow leaves and purplish stems bearing 3-4 violet-purple flowers, the falls whitish at the base with a yellow flash and dark veins. Grow in full sun in a damp location.