There’s a whole industry that specializes in industrial geotextiles, and an excellent online Geosynthetics Magazine for building professionals. They use similar polypropylene fabric as earthbags (sand bags), but use it for industrial purposes such as highway projects.
Update: This living wall is thriving. I built a second design with an aluminum frame and removable potted plants and so far the plants prefer this living wall made with fishing net. This is a living wall experiment using a small prototype to test the concept. It’s easy to make and very low cost. Living … Read more