Learn why properly engineered growing media - not topsoil - is essential for successful green roofs. This article explains how media composition affects drainage, plant health, structural safety, and stormwater performance, and why incorrect specifications can lead to costly failures in rooftop, podium, and amenity deck landscapes.

This article chronicles research conducted to better understand the relation between growing media content, fertilization and irrigation on rooftop crop yields, an area of research with little peer review work.