It was employed in frequent and minute dosage to simulate the lymphatic flow, to clear the skin, to treat menstrual problems, fullness of the thyroid, rheumatism and herpes. The rhizome is potentially toxic , and should only be used in prescribed dosages under the care of a knowledgeable health care practitioner. Light dependent germinator. Press into surface of soil and keep moist. For best results, sow in fall, midwinter or very early spring in outdoor nursery beds.
Seed has naturally low germination rate.
Flowers from 2 to 3 feet tall. This is a new seed source. The seed was picked from the giant Blue Flags which thrive in the swamps of South Georgia. It is big seed and quite virulent.