Iris Germanica florentina - Hardy, herbaceous perennial. Grows on a rhizome. 60-90 cms height. Full sun to part shade. White and purple iris like flowers on tall spikes. Flowers in spring and summer, which attract birds and butterflies. The flowers are also fragrant and make a good cut flower. Orris is the name of the dried powdered rhizome root of the plant, used for its aroma and fixative properties. It has the aroma of violets, and enhances scents and makes them last longer. Prefers a deep fertile, rich, well drained soil. Keep moist during warmer months, as it doesn't tolerate long dry periods. Good foliage plant