Now they can be found hanging on fences, on deck rails and along the perimeter of patios. Window boxes can be made of wood, plastic or wire. When selecting wooden boxes, look for those made of redwood or treated lumber to minimize problems due to rot. Also, because of the limited soil volume, watering can become a maintenance issue. These have become very popular as container gardens to decorate overhead spaces.
Baskets are available in wood, plastic and wire.
Wooden baskets tend to be slated and are usually reserved for plants such as orchids, and some ferns. Plastic has become the material of choice for many baskets. They come in a variety of sizes, with ample drainage holes. Plastic baskets are also available with planting holes in the sides. This allows you to put plants into the sides resulting in a sphere of plant material when it has grown together.