moss graffiti - Collect 3-4 hands full of moss and put in a blender with 700ml of luke warm water. Add 3-4 tablespoons of water retaining gel Add 120 ml of buttermilk Pulse the blender until the gel forms Pour mix into bucket. Paint on rough concrete/wooden surfaces. keep an eye on the weather if dry mist weekly to make sure the moss re-grows. The water retaining gel will be of benefit here. After about three weeks you should see your artwork growing in front of you. #gardenart #garden #art