Prefers moist or dry acid soil in sun or light shade. Keep well watered until the roots have a chance to establish themselves. The root should be gathered in the spring or autumn, wash and lay out in a thin layer for the first stage of drying. Drying is then completed in gentle artificial heat. Externally for hemorrhoids, vaginal discharge, sore throat, mouth ulcers, cuts, sores, ulcers, burns, sunburn, frostbite, and shingles.
Care is needed in topical application of strong tannins, which can cause scarring.
Diarrhea Place 2-3 tsp root in 1 cup water. Boil 5-10 minutes. Let stand 10 minutes. Simmer for 21 minutes over a low flame and strain into screw-top jars to set. The juice of the fresh root is also a good treatment for warts.