How can I grow moss on a cement wall?

Question

I’d like the moss to cover the interior side of the wall that faces our backyard. It is mostly shaded. I am not interested in doing moss “graffiti.”

Answer 1

Here is a link to a website that will tell you how to grow moss on a cement wall:

http://blogs.uoregon.edu/artofnature/2013/12/03/diy-green-graffiti/