How To Grow Moss On A Wall. If you want to grow moss on vertical items like walls, rocks, or trees, take a blender outside because this process will stink. As long as you keep the moss damp by misting it each week, it will grow and thrive on any rough surface such as a brick wall or cinder block building.
It's difficult to start moss as a transplant on a rocky or brick surface.
My dad has grown an epic moss path throughout their backyard. The diameter of the hole or pot depends on how much moss. They are easy to grow, if conditions are right, and you can train moss to a vivid green monitor the section of wall where you would like moss to see how much sun it gets during various times throughout the day. How to grow moss indoors and out.