Designing your own vertical herb garden is a fun project. Vertical gardens allow you to grow herbs and some fruits and vegetables that do not require a lot of soil, such as strawberries or lettuce. Growing your own herbs for cooking or for medicinal.
Cedar fence with pressure treated posts and 3 ft welded wire sandwiched between along the top and along the sides of the panels. Post caps from Home Depot. This would be pretty to fence off garden area.