This concept came out of several design ideas for vertical planters. These would not be connected, and ideally would border a garden area, and perhaps would have planted in them companion plants for the garden plants. Or, it could simply be used for decorative plants to add layers of color.
Be sure to like Chief’s Shop on Facebook! Prizes are awarded at various levels of “likes”.
Make Some Sawdust!
Chief
Chief's Shop 
Novel idea.The boxes would need to deeper and wider or the plants would cook off or burn. I need to experiment or maybe use plants that are shade-loving.