Galvanised Metal Oval Trough Planters Copper Style Edge. These oval trough planters are perfect for adding some greenery to your garden or patio. Made of sturdy galvanised metal with a copper style edge, these planters are both frost proof and stylish. The troughs are perfect for displaying your favourite plants or herbs. With its grey colour and oval shape, this planter is both practical and stylish, making it a great addition to any outdoor space. Whether you're a seasoned gardener or a beginner, this planter is sure to add a touch of elegance to your outdoor decor.