Now that I’ve got the scratch coat of repair lime plaster on the addition, I’m returning the earth pigmenting to its former glory. This is a fun process and not as hard as you might think considering how good it looks. Fresco is a method of applying earth pigments to still wet lime plaster. It gives a deeper color than pigmented limewash, and is a natural way to color your lime plastered house. In this video, I walk you through the process.