It pays to be observant! Ogijewski, a forest scientist working in Russia in the early 1900s, observed that oaks sometimes regenerated in small clusters where wild boars disturbed the forest floor. From this simple observation he developed a reforestation method called cluster planting, the planting trees or seeds in tightly-spaced, small functional groups. The method caught on in Europe and is now practiced as a way to decrease planting costs and restore stand diversity. In this episode of SilviCast we explore the practice of cluster planting with Dr. Somidh Saha of the Institute of Technology Assessment and Systems Analysis in Karlsruhe, Germany.