Outdoor & Patio

Trellis

A trellis is a framework structure made of interwoven or intersecting pieces of wood, metal, or other material, designed primarily to support climbing plants and create decorative screens or garden features. The use of trellises in gardens dates back to ancient Rome, where they were used to train grapevines and create shaded walkways known as "ambulationes." During the Renaissance, elaborate trellis work called treillage became a high art form in French formal gardens, with intricate lattice structures creating architectural illusions and garden rooms. Modern trellises serve multiple purposes in landscape and exterior design. They support climbing plants to create living walls of greenery and flowers, provide privacy screening between properties or outdoor zones, add vertical interest to blank walls and fences, and serve as decorative architectural elements in their own right. Trellises range from simple diamond or square lattice panels attached to a wall to elaborate freestanding structures with arched tops and decorative finials. The growing interest in vertical gardening and green walls has expanded the role of trellises in contemporary design, with modern interpretations including tensioned cable systems, metal grid panels, and modular planting frames.

Key Characteristics

  • Open framework structure for plant support
  • Available in lattice, grid, and fan patterns
  • Provides vertical growing surface for climbers
  • Creates privacy screening with living plants
  • Adds architectural interest to walls and fences
  • Available as wall-mounted or freestanding units

Types & Variations

Diamond lattice trellis panel
Square grid trellis with heavy framing
Fan-shaped trellis for single climbing plants
Modern tensioned cable trellis system
Modular green wall trellis with planter pockets

Common Materials

CedarTreated pineWrought ironStainless steel cablePowder-coated aluminumBamboo

Placement & Usage Tips

Mount wall trellises with spacers that hold the lattice two to four inches away from the wall surface, allowing air circulation behind the plants and preventing moisture damage to the wall. Place freestanding trellises where they can serve as room dividers in the garden, separating dining areas from utility zones. South and west-facing walls provide the most sun for flowering climbers.

💡 Pro Tip

Attach your trellis with hinged hardware at the bottom so you can swing it away from the wall for painting or siding maintenance without disturbing the established plants. This small detail saves enormous headaches down the road. Also, match your climbing plant to the trellis scale: delicate plants like jasmine work on fine lattice, while heavy wisteria needs substantial structural support.