Lingang New Area, China (Shanghai) Pilot Free Trade Zone

Custom Corten Planters – Shape, Size & OEM Solutions

Whether you need round, rectangular, tapered, or custom-shaped planters, we specialize in fully customizable Corten planter solutions tailored to your project requirements. From small residential installations to large architectural and commercial developments, we support OEM, bulk orders, and custom fabrication with drawings, branding, and size flexibility.

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E-mail us: tina@keweicorten.com

We specialize in manufacturing custom Corten steel planters with flexible design solutions for commercial and residential projects

How long will a corten steel planter last?

Custom Corten Planters are designed for long-term durability and reliability. With proper use, they can last 20–30 years or more in outdoor environments. The steel naturally develops a protective rust layer, which prevents further corrosion and strengthens the structure over time. This makes Corten planters highly weather-resistant and ideal for gardens, commercial landscapes, and architectural projects.

Tip for extra longevity:

Avoid constant contact with standing water.
Ensure proper drainage in the planter.
Optional: Apply a protective sealant if you want a specific rust patina speed or extra protection

Round corten steel planters

Round Corten planter, 60cm diameter × 50cm height

Made from weather-resistant Corten steel, perfect for residential gardens or commercial spaces. OEM and bulk customization available.

Classic circular Corten planter, 50cm diameter

Ideal for patios, rooftop gardens, or landscape projects. Tailor-made options offered for bulk orders.

Durable 70cm round Corten planter

Naturally develops a protective rust layer for long-lasting outdoor use. Custom sizes and finishes available for B2B projects.

Large 80cm round Corten planter

Heavy-duty steel construction ensures durability and low maintenance. Contact us for custom dimensions and designs.

Medium 65cm diameter Corten planter

Perfect for hotels, offices, and public spaces. Supports OEM and B2B custom orders.

Stylish 55cm round planter in Corten steel

Designed for outdoor spaces with high weather resistance. Available for bulk and project-specific customization.

Customizable 60–75cm round Corten planter

Versatile planter suitable for landscape architects and designers. Bulk and OEM orders welcomed.

Premium round Corten planter, 70cm diameter

Ideal for commercial landscaping or residential projects. Fully customizable to meet your specifications.

Rectangle corten planter

Rectangular Corten planter

Made from durable weather-resistant Corten steel. Perfect for commercial landscapes, rooftop gardens, and residential patios. OEM and bulk customization available.

Large rectangular Custom Corten planter

Designed for long-lasting outdoor use with natural rust patina. Supports B2B orders and custom sizes for your project needs.

Medium rectangular Corten planter

Ideal for creating stylish garden layouts or office outdoor areas. Fully customizable for bulk and project-specific orders.

Premium rectangular Corten planter

Heavy-duty steel ensures durability and low maintenance. Available for OEM and B2B clients seeking custom solutions.

Custom Shapes Available

Design Your Custom Corten Planter the Way You Want

Not every project fits a standard size or shape — that’s why we offer fully customizable Corten steel planters tailored to your landscape, architectural, or commercial needs. Whether you’re designing a public space, rooftop garden, hotel entrance, or residential project, we can manufacture planters in any shape, size, and thickness.

Popular Custom Shapes We Offer

Shape	Description	Applications
Rectangular / Square	Clean, modern shape	Rooftop gardens, walkways, commercial spaces
Round / Cylindrical	Classic and versatile	Patios, balconies, restaurants
Tapered / Cone Shape	Sleek and elegant	Entrances, hotel lobbies, high-end projects
L-Shaped / Corner Planter	Space-saving solutions	Corners, walls, narrow areas
Modular / Combination Units	Multiple shapes joined together

Fully Customizable Options

You can customize every detail to match your design:

Shape & Dimensions
Steel Thickness (2–5mm)
Drainage Holes & Bottom Design
Surface Treatment (rusted / accelerated patina / painted)
Liners & Insulation Layer
Logo / Company Branding Available

How long will a Corten steel planter last?

Custom Corten planters are designed for long-term outdoor use and can last 20–30 years or even longer. Over time, the surface forms a protective rust patina, which prevents deeper corrosion and protects the steel underneath.
Proper drainage, dry installation, and optional liners can significantly extend the lifespan.

Is Corten steel good for planters?

Yes, Corten steel is an excellent material for planters. It is:
Extremely durable
Weather-resistant
Low maintenance
Suitable for both residential and commercial landscaping

It naturally ages into a beautiful rusted finish, making it ideal for architects, designers, and outdoor projects.

Do Corten steel planters get too hot?

Corten steel can absorb heat in direct sunlight, but with proper soil depth and plant selection, it usually does not harm the plants.

Ways to reduce heat transfer:

Use a liner or insulation layer
Create drainage and aeration zones
Use double-wall planter designs

These techniques ensure plant roots remain protected, even in warm climates.

What is the advantage of metal planters?

Advantage	Benefits
High strength	Ideal for commercial and public spaces
Modern appearance	Fits architectural and landscape designs
Weather-resistant	Suitable for all climates
Customizable	Any size, shape, thickness available
Long lifespan	Less repair and replacement needed

Metal planters—especially Corten steel—are stronger and more durable than wood, fiberglass, or plastic planters.

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