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.
Here are our plans for an outdoor TV cabinet we built for our outdoor bar. It allows us to hang wet suits and towels on the enclosure, and also houses some of the electronics we needed to run music and cable to to the patio. The wood is standard pressure
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.