Decorate a Fence With Potted Plants. You can change a boring white fence to something special by mounting beautiful potted plants which adds lots of color. If your fence is in the front porch area, you can line the fence with gorgeous potted plants for your guests to see as they walk up to the front gate. This is a lovely idea to spice up your backyard or front gate area which can be done with curved wrought iron plant hangers that easily mounts to any wall, flower box or a fence. By adding beautiful fresh flowers to your fence or front gate will brighten up your day and your guests.