Four modern metal planters on a sunlit wooden deck display colourful summer flowers—lavender spikes and red coneflowers, yellow daisies with purple salvia, pink geraniums, and white daisies—set against a blurred garden patio background.

Metal Planters: Corten Steel and Zinc Galvanised

clock-circular-outline Created with Sketch. Dec 02, 2025

Metal planters have become a popular choice for both contemporary and traditional garden designs, offering a blend of durability, style, and practicality. Far more resilient than plastic and often more striking than terracotta, they provide a robust and visually appealing home for a wide variety of plants, from vibrant annuals to architectural shrubs.

One of the primary advantages of opting for metal is their exceptional longevity. Unlike some woods, they won't rot or attract pests, and their resistance to the elements means they can withstand harsh weather conditions year after year. This makes them a wise long-term investment for any outdoor space. Furthermore, their clean lines and diverse finishes offer an immediate uplift to patios, balconies, and garden borders, allowing for a sophisticated and intentional aesthetic.

Among the most sought-after varieties are planters crafted from Corten steel. This remarkable material, often referred to as 'weathering steel', is designed to develop a stable, rust-like appearance over time when exposed to the elements. This protective layer, known as a patina, not only gives the planter a unique, earthy, and industrial charm but also prevents further corrosion of the underlying steel. Each Corten steel planter will develop its own individual pattern of rust, making every piece genuinely one-of-a-kind. Their deep, autumnal hues blend seamlessly with natural surroundings, creating a striking contrast with vibrant greenery or colourful blooms. They are incredibly strong, virtually maintenance-free once the patina has formed, and capable of enduring extreme temperatures.

For those seeking a different aesthetic, Zinc Galvanised planters offer a sleek, modern alternative. Galvanisation is a process where steel is coated with a protective layer of zinc, which acts as a sacrificial barrier against rust. This results in a planter with a distinct silvery-grey finish that can range from a bright sheen to a more muted, matte appearance depending on its age and exposure. Zinc galvanised planters are exceptionally durable and highly resistant to corrosion, making them perfect for all climates. Their clean, crisp look makes them ideal for contemporary, minimalist, or urban garden settings, providing a sophisticated backdrop that allows plants to truly stand out. They are also relatively lightweight compared to some other metal options, making them easier to position and reposition.

Whether you lean towards the organic, rustic appeal of Corten steel or the sharp, contemporary elegance of galvanised zinc, metal planters offer a superb solution for creating impactful planting schemes. Both options promise durability, low maintenance, and a distinctive aesthetic that will enhance your outdoor living areas for many years to come.