If you are not familiar with th ese, you are probably wondering, "What in the world is an herb spiral garden?" It is a type of her b garden that allows you to: Grow more plants in a smaller space. Grow herbs according to their needs and in varying soil.
Double spiral garden for herbs. Space saving, beautiful raised beds using no dirt, just sands and composting materials to create new soils. Check craigslist and freecycle.org groups nearby for free used bricks or stones to build it.
How To: Turn Logs into a Natural Raised Garden Bed!