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Corten Steel Tapered Tall Planter – 30" to 42" H

30" - 42" High

Are you looking to add some style and character to your outdoor space? Our tall, tapered Corten Steel planters are the perfect addition! Select your options and order now!

Regular price $580.00
Drainage
Drainage

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  • Living Material: Develops a unique, protective rust patina that self-heals scratches
  • Root Protection: Breathable design and drainage holes prevent root rot and overheating
  • Frost Proof: Engineered to withstand freezing temperatures without cracking
  • Commercial Strength: Fully assembled, heavy-gauge steel built to last decades

Ships in 3–5 weeks. For 8+ planters, contact us for lead time.
  • Free shipping always
  • Craftsmanship: 100% in-house USA production
  • Welded: Fully assembled for you
  • Ships raw and unweatherd
  • Warranty: 5 years structure, 3 years material

Expertly crafted from genuine Corten Steel, these stunning tall, tapered planters will make a statement in any garden or outdoor area. This planter comes in sizes ranging from 29 inches to 41 inches in height with a one-inch raised base.

This tapered planter’s simple outline and earthy color make it a perfect addition to traditional gardens, while its modern twist works well in contemporary settings. Our planters are fully assembled and ready to display, adding a touch of elegance to your outdoor or indoor space.

In addition to their stunning visual appeal, these planters can be made with drainage holes to prevent excess water buildup. You can also order them without drainage holes for designs that use faux plants. They can be combined with our cube and rectangular Corten Steel planters to create contrast and add more interest to your outdoor or indoor space.

Take advantage of this stunning addition to your garden, home, business, or outdoor space. Order yours today and bring a touch of rustic elegance to your home.

  • Ready to Use: Arrives fully assembled with seamless, hand-welded corners.
  • American Craftsmanship: Proudly manufactured in the USA from heavy-gauge Corten weathering steel.
  • Living Finish: Ships raw (grey) and develops a beautiful, self-protecting rust patina over time.
  • Smart Design: Features a one-inch raised base for optimal drainage and a sleek floating look.
  • Fast Lead Time: Custom-built and shipped within 3 to 4 weeks.
  • Download product schematics and drawings here.
Size Thickness Weight
14"T x 10"B x 30"H 1/8" Corten Steel 54
18"T x 13"B x 30"H 1/8" Corten Steel 71
16"T x 12"B x 42"H 1/8" Corten Steel 87
20"T x 13"B x 42"H 1/8" Corten Steel 103
✓ RETURN ELIGIBILITY
✕ NOT ELIGIBLE FOR RETURN

Since all our planters are made to order, only some can be returned up to 30 days from delivery. Please see the list below of the sizes eligible for return. Please view our full return policy.

14"T x 10"B x 30"H
18"T x 13"B x 30"H
16"T x 12"B x 42"H
20"T x 13"B x 42"H

Weathering steel that forms a natural rust-like patina over time, protecting the material from further corrosion.

Typically 4-10 months, depending on weather exposure.

Yes, using a vinegar, salt, and water solution can help speed up patination.

Yes, rust runoff WILL stain concrete, wood, and tile surfaces. We recommend placing planters in areas where staining won’t be an issue or using a catch basin.

Yes, Corten steel is highly durable and designed to withstand diverse climates. However, areas with constant moisture may prolong the patina process.

Minimal maintenance is needed. Allow the patina to develop naturally without sealing or painting.

Not recommended. Even when sealed, Corten steel WILL bleed and stain indoor surfaces due to rust runoff.

Yes, once the patina is fully formed, they are non-toxic and safe for plants. Initial rusting may release iron into the soil but is generally harmless.

Painting or sealing is not recommended as it prevents the natural patina process.

With proper care, Corten steel planters can last for decades, thanks to the protective rust layer that prevents deep corrosion.

Let’s Answer Your Questions

What are Corten steel planters?

Corten steel planters are made from a weathering steel alloy that forms a natural rust-like patina over time, protecting them from further corrosion.

How long does it take for Corten steel to develop its patina?

It takes around 4-10 months to fully develop a protective rust layer, depending on weather exposure.

Can I accelerate the patina process?

Yes! Spraying the surface with a vinegar, salt and hydrogen Peroxide can speed up rust formation. See instructions here

Do Corten steel planters stain the ground?

Yes, initial rust runoff can stain concrete, wood, or tiles during the first 6 months of weathering. We recommend placing planters on gravel or using protective barriers.

Are Corten steel planters suitable for all weather conditions?

Yes, Corten steel is highly durable in all climates, but excessive moisture or humid conditions can slow down the patina formation.

Do Corten steel planters require maintenance?

Very little! Unlike painted metal, Corten steel does not require sealing or repainting. Simply let nature take its course.

Can I use Corten steel planters indoors?

While possible, it's not recommended for indoor use unless they are sealed, as rust runoff may stain floors.

Are Corten steel planters safe for plants?

Yes, once fully patinated, they are completely non-toxic and safe for plants. However, the initial rusting process can release iron into the soil.

Can Corten steel be painted?

It’s possible but not recommended. Painting over the steel removes its ability to naturally weather and form a protective patina.

How long do Corten steel planters last?

With proper use, they can last decades. The protective rust layer prevents deep corrosion, ensuring longevity.

What Our Customers Say

Stars

"Plantercraft is pleasure to work with, quick turnaround and the quality is unparalleled. Highly recommended!P.S. worked with Paul, he’s great! Responds within minutes and took care of our needs very quickly."

Evelyn Garcia

— Evelyn Garcia

Stars

"Very happy with Plantercraft corten steel custom made planters. Great customer service, very responsive. custom planters made in only a week of time, delivered across the country, had no issues. Looks stunning!"

Patricija Zil

— Patricija Zil

Stars

"Plantercraft is a great company and an excellent resource of solutions for the landscape design industry and for any homeowner or business. An architect's delight. They will work with you to achieve best results time after time. As a landscape designer I feel confident to incorporate their products in many ways because they are modern, rustic, solid and they are built to last."

Roy Altaras

— Roy Altaras

Stars

"I worked with Paul on custom planters for our pool. We had a smaller space so the dimensions needed to fit the area. In an age when you can barely talk to another human for customer service, Paul was a breath of fresh air. He was responsive, attentive and provided excellent customer service. The price was right and the product arrive well packaged. I couldn't be happier with the planters! Highly recommend A++++"

Katie Sprankles

— Katie Sprankles

Stars

"Unbelievable service you wont find anywhere else! And of course im super excited of the product I bought here! Great quality.... try it!"

David Ostreicher

— David Ostreicher

The rusting process of corten steel

Corten steel, also known as weathering steel, is a specially developed type of steel that forms a protective rust layer. This means you receive a product that has not yet rusted. The rusting process begins due to the steel’s unique composition, in which elements such as phosphorus, copper, chromium, and nickel are added to iron. When Corten steel is exposed to the elements, it begins to rust through oxidation, just like regular steel. During this process, the iron particles react with oxygen and moisture in the air, leading to the formation of iron oxide, or rust.

The distinctive feature of Corten steel is the development of a dense and relatively thick rust layer that slows further oxidation. This passivation layer acts as a protective barrier, making it more difficult for oxygen and moisture to penetrate the material. Moreover, Corten steel has a self-healing ability: if the rust layer is damaged, it repairs itself through continued oxidation, forming a new protective layer. This self-healing property contributes to the durability of the material.

The final rust layer gives Corten steel a unique, weathered appearance that is often appreciated in architecture and art, making it a perfect fit for your garden. At the same time, this protective layer extends the life of the steel by shielding it from further corrosion. The rusting process can take several months to years, depending on environmental factors such as humidity and exposure to rain.

Tips for setting

  • Placement & Weathering: Choose your spot carefully! Corten steel produces rust runoff as it develops its beautiful patina, which can stain surfaces below. By default, your planter features built-in 1-inch feet, providing essential breathing room and preventing moisture trapping at the base.
  • Drainage: Start by adding a layer of pebbles about 4 inches high at the bottom.
  • Protection: Place a moisture-permeable anti-root cloth directly over the pebbles.
  • Planting: Fill the rest with the appropriate soil for your plants, making sure not to tamp or pack the soil down too tightly.
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