I meant to post a couple photos of the vertical herb garden. Hopefully, Dave will run my article, on how to build one, soon. It is installed in an "L" shape. I have various herbs growing in the wall plant boxes, such as spearmint, peppermint, oregano, basil, thyme, rosemary, parsley, catnip, etc. It keeps some of the more aggressive growing plants from becoming thugs in my garden beds.
Two shorter pallets facing the south:
One taller pallet facing the east: