Growing strawberries (Or any plants!) from a gutter hung on the fence drilled holes every few inches in the bottom so they would drain well, and added Miracle Grow, and planted 100 strawberry plants in 10 foot long metal gutters
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!