COMING SOON. A free-flowering, clump-forming, evergreen perennial with narrow, mid-green leaves and, in early to midsummer, black-red buds opening to star-shaped, velvety black to deep red flowers with recurved petals and yellow-green throats. Flowering period June – August . Height 70cm. Spread 60cm. Plant requires full sun in moist well drained soil, can tolerate clay.