Raised gardens can be bought as a kit or constructed completely as a DIY project. Regardless of how you get your raised garden, they can be a wonderful way to grow veggies. However, they do have one downside. If made of wood, they will eventually rot. Decomposition is inevitable. But, there are ways to construct a raised bed that will lengthen the life and the looks. Because I wanted to do both, I decided to construct a DIY composite raised garden.