Iris sanguinea is a perennial growing to 0.75 meter by 1 meter. This Iris is native to Japan, Korea and Siberia. Iris sanguinea habitat is grassland. It is suitable for bogs and water gardens. Related to Iris sibirica, but less branched with shorter stems. The flowers are consisting of 3 sepals and 3 petals. The flowers are hermaphrodite they have both male and female organs. The plant is self-fertile. The flowers are borne above clumps of long, narrow, plain green leaves. Elegant foliage to 2.5 feet high. The plant spreads by means of its modified stems, rhizomes, which are located below the soil surface. Hardiness zones 4-9, (-32øC/-25øF, -5øC/25øF) in Winter. Plants are very cold tolerant, but they can be damaged when dormant if the soil is too moist. The plant prefers light sandy and medium loamy soils. Grows well in heavy clay soils. This Iris likes acid conditions. It requires moist or wet soil. Requires consistently moist soil; do not let dry out between waterings. It can grow in semi-shade or no shade.