French Trellises by Trellis Art Designs
Tree branch trellis arch by Shawn Lovell Metalworks. More practical than the wooden arbor that always needs painting.
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Garden Structures forum: Wrought Iron Trellises (All Things Plants)
The italian iron trellis adds a feeling of elegance and charm to your outdoor garden.
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Faux Wrought Iron Trellis
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Wrought Iron Trellis
Flowering Vines and Climbers
large scale decorative iron trellis for a house wall
Rebar (assuming it weathers well) trellis like this? The "roughness" of it would not be a design problem. I like the way it is offset from the supporting structure.
Wrought Iron trellis Garden Bleu