Now it’s time for something many of you have been waiting for. In this episode Mario begins a very detailed series about one of the most important topics in bonsai cultivation – soil. A proper bonsai substrate is the foundation for healthy roots, strong growth, and long-term tree development. In this first part, Mario introduces the key principles of bonsai soil, explaining why soil matters so much and how it influences watering, oxygen availability, and root health. This episode sets the stage for a deeper understanding of how to choose and prepare the right substrate for your trees.