Gr8 Garden Steel Obelisk Outdoor Rose Tree Climbing Plant Frame Stand Growth Support Trellis Arch. This garden obelisk is perfect for any garden and can be used in a variety of ways to achieve a modern and stylish look, ideal for climbing plants and roses and works well on pathways, gateways and opening. The obelisk is made from black powder coated steel tubing and includes all the fixing and fittings needed to assemble this modern and stylish garden structure. It is very easy to assemble and the legs stick into the ground for added stability.