In each of the raised beds and square foot gardening, PVC trellis used to grow vertically rather than horizontally. It gives space to grow up in a smaller footprint. There are different types of trellises on the market today, such as metal, plastic, wood, and obelisk. In fact, there are plenty of options available that are very easy to get overwhelmed.
Generally, wood PVC trellis is the most affordable option. Keep in mind that some types of wood will rot and will weather and outdoor items speed up the decomposition process. In addition, plastic trellis available on a large scale and come in a variety of colors shapes and sizes as well.
Plastic trellis probably cost more than wood trellis; however, the plastic trellis may continue for a longer period. When looking for a plastic trellis, make sure you know whether the plastic is stable to UV. Plastic PVC trellis and vinyl is usually a good bet. PVC vinyl is a durable material that will continue to fight the elements. If you are worried about the heat, though, to keep in mind the color of the trellis. There is a lighter color absorbs more heat, and thus will not get warm.