Our Mission

The East West School of Planetary Herbology is committed to providing the best possible training for home herbalists, health professionals and clinical herbal practitioners so that they may serve the …



East West Herbal Seminar, April 24-May 1, 2020: Update as of March 11th: Our Onsite Seminar is Cancelled. Details on a virtual webinar based seminar coming soon.

Our seminar focus this coming year is on clinical and herbal first aid. This includes treatment of pain with a hands-on (so to speak!) class on Korean Hand Therapy.
The Therapies Track returns with an emphasis on medicine making along with several classes in channel massage. As well we’ll continue with Jill Barnattan’s wonderful short yoga sessions between meals and before bedtime called, “Unwind Your Mind.”


Holy Basil Essential Oil

Practitioner Seminar

Herbal Seminar Practitioner Track: April 27-28, 2019. This track is for our East West graduates who have previously attended three seminar levels (CEUs available for licensed acupuncturists and the AHG). This year our hot topics are:
• 7Song, Herbal First Aid (Saturday)
• Roy Upton: Pearls from the American Herbal Pharmacopoeia® (Sat evening)
• Ingrid Bauer: Herb Drug Interactions (Sunday morning and afternoon)
• Michael Tierra: Korean Hand Therapy (Sunday evening)


Dandelion Root


by Chanchal Cabrera……Case history review, first presented at the case studies conference in Boulder 1998. The greatest irony of this case was that his wife was also a patient, presenting wit …


Ebers Papyrus Aromatherapy History

The Herbal Tradition

Egyptian Herbal Medicine … Egyptian medicine was widely respected throughout the ancient Mediterranean world.The earliest written records of its practices are to be found in the Ebers Papyrus, da …


Aloe Vera Fields

What is Eclecticism?

A.J. Collins, M.D. Introduction by Dr. Michael Tierra This is a piece of medical history. American Eclecticism was an officially recognized branch of North American medicine that predominantly used …


Asafoetida Powder for Asthma and High Blood Pressure


For Digestive Weakness, Food Allergies and Candida Dr. Michael Tierra L.Ac., O.M.D. Asafoetida (Ferula foetida), also known as Narthex or Hing. Recognized by its overwhelming odor which has given ris …


Butterbur for Migraine Headaches and Allergy Relief


By Michael Tierra Butterbur (Petasites hybridus) is a perrenial shrub in the aster family that h as demonstrated a high deal of efficacy for the treatment of urinary incontinence, respira …


Nigella Sativa

Commonly Known As “Love in the Mist” A Beautiful Middle Eastern Herb With Many Uses Dr. Michael Tierra L.AC., O.M.D. Nigella, (NIGELLA SATIVA L.) Black Cumin, Fitch (Biblical), Love in the Mist, Fitc …


Rhodiola Rosea Burning Fat and Beating Depression

Rhodiola Rosea

 Rhodiola Rosea  by Michael Tierra, L.Ac, AHG Rhodiola Rosea is a member of the family Crassulaceae, a family of plants native to the arctic regions of Eastern Siberia. It grows at altitudes of 11,000 …


Amla Indian Gooseberry for Liver Heart Brain

The Wonders of Triphala

Triphala is the most popular Ayurvedic herbal formula of India, since it is an effective laxative that also supports the body’s strength. The constitution of vegetarian Hindus cannot tolerate harsh laxatives anymore than vegetarians in other countries. Because of its high nutritional value, Triphala uniquely cleanses and detoxifies at the deepest organic levels without depleting the body’s reserves. This makes it one of the most valuable herbal preparations in the world.



Sharol Tilgner N.D. The term phytoestrogen is used loosely in the herbal community. There is no current agreed upon definition for this term. Basically the term is used for any plant that has one or m …


The Five Stagnations

The Mother of all Diseases … Dr. Michael Tierra O.M.D., L.A.C…. and Lesley Tierra L.A.C. The Five Stagnations are Qi, Blood, Fluid, Cold and Food. These are determined according to their l …