Welcome!
Herbal education based in physiology, grounded in experience
Join Caty Crabb for flexible, detailed classes and live, collaborative sessions. Gain the skills and confidence to work with medicinal plants effectively.
Bringing Herbal Knowledge to Life
Build your confidence by understanding how plants truly interact with the body. Guided by twenty years of clinical experience, our classes and online community bridge the gap between physiology and hands-on application, giving you the clarity you need to work with plants effectively.
Ground your Herbal Knowledge in Clinical Reality
Skills for Family, Community, and Clinical Practice
Whether you are caring for your family, your community, or building a clinical practice, our core curriculum provides the physiological depth you need to work with plants safely
Organ Systems
The Logic of the Body
Understand the functioning of 8 primary systems. Learn to identify imbalances and develop a clear strategy for selecting the right herbal support.
Materia Medica
The Essential Library
Build a reliable repertoire by examining the physiological actions and clinical nuances of 50 essential medicinal plants.
Medicine Making
The Herbal Pharmacy
Develop techniques for creating effective extracts. Gain the technical skills to process plants into a pharmacy you can trust.
Caty Crabb | Clinical Herbalist
My work is rooted in the belief that herbal medicine should be as accessible as it is effective. With over 20 years of clinical experience and a background in organic farming, I’ve spent my career developing relationships with plants from the soil to the clinic.
I was fortunate to train under Michael Moore at the Southwest School of Botanical Medicine and Adam Seller at the Pacific School of Herbal Medicine. Today, my teaching merges that linage with my own clinical reality—sharing what actually works to help you move past misinformation and apply herbal medicine skillfully.
Whether you are an aspiring herbalist or a seasoned practitioner, I am here to help you strengthen your craft with tools grounded in science, tradition, and two decades of professional insight.
Aralia School of Herbal Medicine
The Aralia School of Herbal Medicine exists to share experience based, practical knowledge with both aspiring herbalists and established practitioners. I want to give people tools to realize agency over their health, and deepen understanding of the body and how herbs work within it. My offerings aim to be detailed and physiology based. Through knowledge of herbs and the body, we can achieve better health for ourselves and our communities.
In my opinion, there is no substitute for learning from someone like Caty who can tell me how she’s actually used a particular herb over many years, and what the results have been. Her experience and willingness to share is invaluable and a treasure to the community.
Joe B
The detailed focus on each organ system and the supportive learning structure really made it useful. This was perfect timing for me before taking further classes.
Carrie N
The course was amazing—it was everything I hoped for and more. It provided thorough, comprehensive knowledge that I know will be essential to my work moving forward. Thank you so much for putting this together!
Aralia School student