Stunning, almost black flowers. For a damp spot. Position: full sun or partial shade Soil: well-drained, moderately fertile soil Rate of growth: average Flowering period: May and June Hardiness: fully hardy Dramatic, indigo-violet, almost black flowers appear in May and June above strap-like grey-green leaves. This clump-forming, beardless iris, related to the moisture-loving Siberian iris, makes an eyecatching feature in a sunny, boggy area of the garden, or beside water. Garden care: Plant in soil that has been improved with well-rotted manure or garden compost and do not allow to dry out, particularly as the plant is getting established. If planted in a container, it will need dividing and repotting every couple of years in spring.
