We are a retreat center located on the outskirts of Boulder, Colorado.  We offer classes based on the teachings of Hanna Kroeger, herbalist and healer known throughout the world as the “Grandmother of Health.”   We welcome anyone (from beginner to healthcare professional) with an open mind and desire to learn more about the wonderful world of natural health.  Our goal is to help others heal themselves just like Hanna taught us to do. With Hanna’s original passion for education and healing, we ha …