Recycled door would make a great trellis. This has barbed wire spirals connected together to form a panel. Thinking barbed wire would not be so good as a trellis, as the yearly clean out of dead vines would be a bear!
Image 27 of 29 from gallery of Amazing Waterfall Design Ideas in the Backyard Garden. Amusing waterfall ideas for backyard with pond as well as garden beside pond outdoor waterfall ideas. waterfall ideas for ponds.