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What our students are saying….
David’s commitment to excellence has created a beautiful community of talented and knowledgeable herbalists.
Learn MoreInterviews for the class of 2026-28 will begin in late winter, 2026.
Click here to apply for the 2026-28 class!
Learn MoreAnatomy and Physiology course, presented by Wendy Warner, MD, ABIHM, IFMCP and Andrew Appello, DACM, MSN, L.Ac., APN, RH(AHG)!
Learn A&P with our very own Wendy Warner, MD, ABIHM, IFMCP and Andrew Appello, DACM, MSN, L.Ac., APN, RH(AHG) available here! They are wonderful teachers and have a depth of knowledge on anatomy and physiology (as well as many other topics), especially as it pertains to clinical practice, that few others can offer. We believe you will find this class not only highly educational but deeply relevant to becoming a clinical herbalist.
International Herb Symposium -September 12-15, 2025
Celebrating the roots of American herbalism with the theme “The History of the Eclectics.” Mark your calendars for this hybrid event, which will offer in-person and virtual attendance options
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American Holistic Veterinary Medical Association – Sept. 6., 2025
I will be teaching a class on Alteratives, Adaptogens, Autoimmune and Allergies.
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Listen to David’s interview on the Herbcast podcast
David spoke on Adaptogens: The great rejuvenators
Learn MoreDavid’s interview with Rosalee de la Floret
David discusses the wonders of Roses with Rosalee on her amazing podcast series. Click here to get the full recipe card.
Learn MoreDavid discusses Managing Stress with Adaptogens with Lise Altschuler
Listen to the Five to Thrive podcast here!
Learn MoreVoices of our Herbal Elders Podcast with Rosemary Gladstar
David is inner-viewed in episode 1 of Rosemary’s amazing new series.
Learn MoreI am British and so I cannot become qualified as a herbalist with this course but it has given me so much that I cannot get from any UK course.
This is particularly in respect to materia medica: we have learned, in great detail, almost 300 herbs and David gives exactly what I wanted – both the energetics of the plants and the scientific research. There is a huge amount of information on how best to prepare each herb, herb-drug interactions, sourcing of raw materials, and even ecological information such as which herbs are endangered and how to grow each plant. We have learned about herbs used in Western, Chinese, Ayurvedic and traditional medicine.
It is easy to tell that this course has been running successfully for many years – the syllabus is clear and comprehensive and it works well as a distance course – even for those of us who watch in the midnight hours! It will take me many more years to begin to absorb the knowledge from these two years.