Modular Planter Boxes 

At Garden Edging Supplies, we supply premium corten steel planter boxes made in Australia from BlueScope Redcor 2.5mm weathering steel. These strong and durable modular garden beds are designed to suit any landscape, providing a modern rusted steel finish that develops a natural patina over time.

With their commercial quality strength, stylish design, and easy installation, Redcor steel planter boxes are the perfect choice for both professional landscapers and DIY gardeners looking to create raised garden beds or feature planters that last.

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Custom Planter Box Designs for Every Garden

Discover planter box designs to suit any size, shape, or style. From large steel planter boxes and rectangular planters to herb garden planters and window boxes, we have options to match every outdoor space. Create a modern feature with corten steel planter boxes or enjoy the convenience of a raised garden bed for easy planting. Our durable and stylish range of large rectangular planter boxes combines functionality with contemporary garden design, perfect for transforming any backyard, patio, or courtyard.

Planter Box Profiles 

Available Sizes

  • Choose from 500mm or 700mm profile heights

  • Both with smooth rounded edges and a 40mm x 20mm reinforced top edge for safety and durability

Durable Australian-Made Quality

  • Manufactured from BlueScope Redcor® corten steel

  • Creates a rusted planter box finish that’s stylish and long-lasting

  • Perfect for modern gardens, courtyards, rooftops, and patios

Easy DIY Modular System

  • Supplied in two halves for simple handling and transport

  • Pre-drilled holes and fasteners included for quick DIY installation

  • Ideal for landscapers and home gardeners alike

Customisable Planter Designs

  • Build large rectangular planters, raised garden beds, herb planters, or hexagon garden planters

  • Extender panels: 600mm, 1200mm, 1800mm, 2400mm

  • Corner sections: 90° for box planters, 60° for hexagon planters

  • Fully modular and interchangeable, even between 500mm & 700mm profiles

 Versatile Uses

  • Popular for corten steel garden edging, modular planter boxes, vegetable planters, and commercial landscaping projects

  • Strong, stylish, and built to adapt to any outdoor design

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