Coconut Coir Products (www.coirproducts.co.uk) coir plant poles are a growing aid and are perfect for growing creepers, especially those that require a lot of moisture. Coir poles are eco-friendly, and retain moisture for a long time once the plant has been watered. These are made by closely wrapping coir twine on wooden or PVC rods. As these are porous, the creeper grows tiny roots that grab a hold of the pole itself and the coir twine. We do tend not to use PVC for ethical grounds, but some of our customers request for the PVC pipes to be used instead of wood.