UP-CYCLED BIKE PLANTER: Don't throw it - grow in it! An old bicycle can be repurposed with micro container gardens and even used as a trellis for a climber like a grape vine. Mounted on a fence, you can create your own garden art feature. More ideas & tut
RBC Blue Water Roof Garden RHS Chelsea Flower Show The walls of the building are covered in circular habitat panels which provide shelter and habitat, again for invertebrates, with a focus on solitary bees.
Garden Gate Planter (An old gate would be hard to find but places like Menard's sell small sections of plastic or metal garden fence that would work. Or haunt rummage sales for something to upcycle into a backgroud for the flower box.