Here's one project that proves that you can use virtually any type of vessel to create vertical herb planters. This gardener repurposed a set of old metal ammo boxes for his artistic floor-to-ceiling garden.
Keep rabbits from eating! RAIN GUTTERS: Don’t have the yard space for a garden? Or simply just don't want to risk your kids running through it? Attach rain gutters to the side of your house to create a lovely herb and salad garden.