Specialties The purpose of Treecity Health Collective is to act as a full service alternative health and wellness facility that provides medicinal cannabis to qualified medical marijuana patients fully in accordance with Michigan law. Its goal is to provide the highest quality of care, compassion, and medicine in a safe and supportive environment. Treecity Health Collective seeks to provide access to, education and information regarding natural therapies and the beneficial use of cannabis for medical purposes. THC members receive consultation services regarding proper medicine and dosage, discounted massage therapy, access to natural herbal and homeopathic remedies to support health, and monthly education meetings. All members must be valid state-registered medical marijuana patients. Proper documentations and identification are required for membership. Membership is $10.