Interviews for the class of 2026-28 will begin in late winter, 2026.

Click here to apply for the 2026-28 class!

I’ve always been a student, but David gave me an important foundation for learning. His approach to plant medicine using an energetic system of formulation is invaluable. My life wouldn’t be the same in my practice, the woods and fields or business without my teachers. Thanks to David and the Plants.

David Harder, RH (AHG) | Class of 1998