Some knowledge of anatomy and physiology should also be known so to know the functioning of the body. The person should also have some dietitian knowledge which aids in the nourishment of the patient. The practitioner must have sufficient knowledge of plant and herbs and their curative properties. This includes knowing when and how to administer the herbs and in what amount. The wrong application of a herb can be harmful.
Many practitioners grow and produce their own herbs.
Similar knowledge in required in gem healing or therapy that is required in herbal healing. The curative properties of each stone must be known. The application is based on a color pattern similar to the one used in color healing. Another technique associated with herbal healing is aromatherapy . Besides candle magic and puppet healing magical spells are another technique of healing used especially by neo-Pagan Witches.