Whilst climbers may be supported against walls and other surfaces using trellis or wires, they may also be trained to grow up free-standing structures. Obelisks, pillars and wigwams provide an interesting and unusual way in which to display climbers, and can be bought ready-made from most garden centres. You may however, want to build your own, and so we have put together some simple step-by-step guides to help you to do just that.