The East West School of Planetary Herbology offers correspondence courses to train home herbalists, health professionals and clinical herbal practitioners. Here you can learn from two of the world’s most respected and influential herbalists, alternative health pioneer and American Herbalist Guild founder Dr. Michael Tierra L.AC., O.M.D., and clinical herbalist/acupuncturist Lesley Tierra,L.Ac., AHG. Our herbalist training course is the only one that teaches Planetary Herbology, a unique approach to herbal medicine which integrates plants and diagnostic tools from the three major healing traditions of the world.