A good idea for a small bathroom, under hanging shelves for things like cotton balls, cotton swabs, etc. Also great in the kitchen, for a spice rack over the stove. Just hang jars from bottom of the cabinet.
To build the raised herb garden, the pinner's husband used pressure treated and He built the frame out of the pressure treated wood. He use corrugated aluminum roofing to side the raised beds. To trim the sides, he used cedar fencing.