Use an old pallet to make a vertical herb garden! Cheap, easy and beautiful! Just make sure to find out how the pallet was treated so you're not planting in harmful chemicals! And- u can write the name of the herbs on the wood!
Recycled Pallet Vertical Garden - Very little room on your urban porch or backyard? How about maximizing the space you have by growing up? I'll be using a pallet sitting in my back yard to plant garden center annuals or possibly native succulents.
Plastic Bottle Vertical Garden: And on the super green end of the spectrum, you can use turn plastic bottles into an awesome sustainable vertical garden. (via Rosenbaum) How have you repurposed plastic bottles?