Rock Cascading or Root Over RockRock Cascading is simply planting bonsai materials on a rock. It is noted that the roots must be attached properly and in harmony on the rock. A volcanic rock with a red natural colour was used. Using a moistened carpet moss on its root system will create an old look. It will serves as the water supplier of the plant as well.In Pampanga, carpet mosses are often found on top of the big tree branches inside the former Clark Freeport Zone.