One of my favorite design tools is use of three dimensional geo synthetic fabrics to allow a plant's root architecture to form a strong bond between plant and roofing system.
The above video shows a green roof panel containing a three dimensional weave and soil media along with some organic compost. The panel is being pressure washed to remove the soil media.
As the video shows, the green roof soil media is not easily removed. Three dimensional weaving provides excellent wind and water resistance and can be very helpful for sloped green roof stabilization or any green roof subject to extreme weather conditions.