A spiral garden is a fun alternative to an ordinary raised bed. The basic idea behind this design of the garden, is to get as many different plants in a limited area. A spiral garden can be constructed in any desired size and with a variety of materials, making it a great way to add an architectural element to small or large garden spaces. In this spiral garden you could plant herbs, flowers, plants, fruits and veggies or whatever you want. Here are 10 interesting spiral garden ideas that might inspire you to build your own.