Iris sibirica 'Ruffled Velvet'
Common name: Siberian Iris.
Zones 3 to 9.
Full sun to part shade.
Plants reach 24 to 30 inches tall and 18 to 24 inches wide;
Herbaceous perennial clumps will grow together to inhibit weeds.
Growth rate: Moderate.
Red-purple standards, darker purple, velvety falls, and a black and gold blaze blooms on rigid stems rise above a clump of arching, narrow, grass-like, linear leaves. Blooms in early summer. Deadheading will not extend this variety's blooms.