The Orris Root plant is Iris Germanica florentina, it is well known as the plant that produces the Orris root powder. It has been used in herbal medicines and perfumes for many years.Orris root is a term that is also applied to both Iris germanica and Iris pallida. Today Orris root powder is used in cosmetics, perfumes as well as potpourri. The root is dried and ground to a powder for these purposes.The plant itself is sometimes simply called the Florentine iris, and it is common in southern Europe through to Northern India.The flower itself is attractive white with to purple in the falls. The leaves are typically fan shaped from a rhizome that grows slightly exposed to the light. Reaching a height of around 60 cm and slowly spreading to form a clump, this is an easy to grow plant.
Water the rhizomes only when their soil is dry. Iris rhizomes do not like to be over-watered, so give them water in moderation.
it is important to keep the soil evenly moist, in rich, well-drained soil. Avoid clay soils and wet ground.
Divide the root every 3–4 years. To keep the rhizome roots growing well, you need to split apart large roots every 3–4 years.
Best in climates that have dry summers, and better in a cool position in very hot climates, some afternoon shade may be best.
The leaves, and especially the rhizomes, of this species contain an irritating resinous substance called irisin. If ingested this can cause severe gastric disturbances. Plants can cause skin irritations and allergies in some people