The Potato Tower Garden: Grow a Big Harvest in a Small Space If you’ve ever wanted to grow potatoes but didn’t have enough garden space, the idea in the image above is one of the smartest solutions you can try. This is a potato tower, built using stacked plastic crates to create a vertical growing system. It’s simple, space-saving, and surprisingly productive—perfect for small backyards, patios, or anyone who wants a high harvest without digging up a huge garden bed. What You’re Seeing in the Im