I bought 2 planter boxes.  the black matches my shutters and the 16" square size is perfect for my front porch.  I chose a Mandevilla Trellis plant that comes on a wooden trellis so that I would have more height.  My husband helped by drilling the 3/4 " hole in the top of the planter and he added the water through this hole after I did the planting.  We are looking forward to not watering every day now that we have the self watering planter. The front porch looks really great with the new planters.