Quality Steel Planter Boxes

A lot of outdoor spaces look unfinished for one simple reason: the hardscape is doing all the work. Stone, concrete, steel, and wood create the structure, but the space still needs life. That is where planters earn their place.

Steel planter boxes give you a clean, durable way to add shape, greenery, and contrast to patios, entry areas, seating zones, and commercial landscapes. They feel substantial. They age well. And they create a crisp line between the built part of the space and the living part of the space.

At SS Fire Pits, we appreciate products that are simple, useful, and built to last. That same thinking carries naturally into steel planter boxes.

  • Custom Size Steel Planter Box

    Custom Size Steel Planter Box

    Not able to find the correct size Corten Steel Planter Box for your space or have a commercial space that needs an oversize or just an odd size box?  Well, we have you covered. Give us a call and we'll be more than happy to work up a quote for a custom size box. Maximum dimensions we can quote for shipping units is 4ft x 4ft x 4ft.  We are more then happy to quote larger units if you have the ability to pick up from our production facility. https://vimeo.com/700516007
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  • Lush garden with large steel planter box and seating.

    Corten Steel Planter Box 12x12x12 With Shelf

    $265.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 12x12x12 Corten Steel Planter box and the drop in 12x12 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 12x12 shelf to this 12x12x12 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground, so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 12 l x 12 w x 12 h - Box (length  x width x height) 12.5 finished height (ground to top of box) with feet 21 lbs. 12x12 - Shelf 4 lbs. https://vimeo.com/692413815  
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  • Corten Steel Planter Box 12x12x16 With Shelf

    Corten Steel Planter Box 12x12x16 With Shelf

    $305.00
    This 12x12x16 Corten Steel Planter box and the drop in 12x12 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 12x12 shelf to this 12x12x16 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 12 l x 12 w x 16 h - Box (length  x width x height) 16.5 finished height (ground to top of box) with feet 26 lbs. 12x12 - Shelf 4 lbs. https://vimeo.com/692413815
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  • Corten Steel Planter Box 16x16x12 With Shelf

    Corten Steel Planter Box 16x16x12 With Shelf

    $310.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 16x16x12 Corten Steel Planter box and the drop in 16x16 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 16x16 shelf to this 16x16x12 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 16 l x 16 w x 12 h - Box (length  x width x height) 12.5 finished height (ground to top of box) with feet 30 lbs. 16x16 - Shelf 7 lbs. https://vimeo.com/692413815  
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  • Corten Steel Planter Box 16x12x12 With Shelf

    Corten Steel Planter Box 16x12x12 With Shelf

    $310.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 16x12x12 Corten Steel Planter box and the drop in 16x12 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 12x16 shelf to this 16x12x12 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. All the welds are on the inside of this 16x12x12 box, unlike other Corten Planter boxes on the market today. This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelfs with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 16 l x 12 w x 12 h - Box (length  x width x height) 12.5 finished height (ground to top of box) with feet length is the long side 25 lbs. 16x12 - Shelf 5 lbs. https://vimeo.com/692413815  
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  • Corten Steel Planter Box 16x16x16 With Shelf

    Corten Steel Planter Box 16x16x16 With Shelf

    $360.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 16x16x16 Corten Steel Planter box and the drop in 16x16 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 16x16 shelf to this 16x16x16 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 16 l x 16 w x 16 h - Box (length  x width x height) 16.5 finished height (ground to top of box) with feet length is the long side 36 lbs. 16x16 - Shelf 7 lbs. https://vimeo.com/692413815
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  • Corten Steel Planter Box 24x16x16 With Shelf

    Corten Steel Planter Box 24x16x16 With Shelf

    $460.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 24x16x16 Corten Steel Planter box and the drop in 24x16 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 24x16 shelf to this 24x16x16 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 24 l x 16 w x 16 h - Box (length  x width x height) 16.5 finished height (ground to top of box) with feet 50 lbs. 24x16 - Shelf 10 lbs. https://vimeo.com/692413815  
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  • Corten Steel Planter Box 16x16x24 With Shelf

    Corten Steel Planter Box 16x16x24 With Shelf

    $465.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 16x16x24 Corten Steel Planter box and the drop in 16x16 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 16x16 shelf to this 16x16x24 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 16 l x 16 w x 24 h - Box (length  x width x height) 24.5 finished height (ground to top of box) with feet 51 lbs. 16x16 - Shelf 7 lbs. https://vimeo.com/692413815  
    Add to cart
  • Corten Steel Planter Box 24x24x16 With Shelf

    Corten Steel Planter Box 24x24x16 With Shelf

    $560.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 24x24x16 Corten Steel Planter box and the drop in 24x24 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 24x24 shelf to this 24x24x16 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 76lbs 24 l x 24w x 16 h - Box (length  x width x height) 16.5 finished height (ground to top of box) with feet 24x24 - Shelf   https://vimeo.com/692413815
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  • Corten Steel Planter Box 24x16x24 With Shelf

    Corten Steel Planter Box 24x16x24 With Shelf

    $595.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 24x16x24 Corten Steel Planter box and the drop in 24x16 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 24x16 shelf to this 24x16x24 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. All the welds are on the inside of this 24x16x24 box, unlike other Corten Planter boxes on the market today. This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelfs with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 24 l x 16w x 24 h - Box (length  x width x height) 24.5 finished height (ground to top of box) with feet length is the long side 75 lbs. 16x24 - Shelf 10 lbs. https://vimeo.com/692413815  
    Add to cart
  • Corten Steel Planter Box 24x24x24 With Shelf

    Corten Steel Planter Box 24x24x24 With Shelf

    $780.00
    Free Nationwide Shipping (excludes Alaska and Hawaii). This 24x24x24 Corten Steel Planter box and the drop in 24x24 shelf is designed to enhance any indoor or outdoor space with its super clean and modern look. Corten is a high strength weathering steel and is a great metal in that it will oxidize beautifully over time.  Our planter boxes come in a variety of shapes and sizes so don’t be afraid to mix and match.  They all have drain holes and by adding the drop in 24x24 shelf to this 24x24x24 Corten Steel Planter box you save yourself time and money by not having to fill the entire box with soil. Unlike other Corten Planter boxes on the market today, we make all our welds on the inside of our boxes.  This aesthetically creates a super clean outside edge.  As well, we coat the inside of all of our boxes and our drop in shelves with an Emulsion Sealer for added protection against the elements. We raise our Steel Planter boxes off the ground so they take on a nice floating look and create a cool shadow line.  Use our planter boxes inside, outside or a combination of both.  On your front porch, back porch, or patio our Corten Steel Planter Boxes are sure to enhance any space.  Just like our Fire Pits, these boxes are designed to last a lifetime. We also can make any custom size box you would like.  Call us for a Custom Corten Steel Planter Box quote! Dimensions 24 l x 24w x 24 h - Box (length  x width x height) 24.5 finished height (ground to top of box) with feet 103 lbs. 24x24 - Shelf 15 lbs. https://vimeo.com/692413815
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Custom Metal Planter Boxes That Match the Design

Generic planters can work in some spaces, but a lot of outdoor projects benefit from something more intentional. Custom steel planter boxes let you match the proportions of a patio, line a walkway cleanly, frame an entry, or create symmetry around a focal point.

That flexibility matters because outdoor design is all about proportion. A planter that is too small disappears. One that is too large feels clumsy. A better-sized planter helps the whole space feel calmer and more finished.

This is especially useful in projects where steel already appears elsewhere. If the area includes railings, edging, outdoor furniture, or other metal details, planters made from steel help the design language stay consistent without trying too hard.

Why Steel Planter Boxes Work So Well Outdoors

Steel handles outdoor life well when it is used for the right job. It brings structure, visual weight, and durability in a way that many lightweight containers do not. That is one reason steel planter boxes have become so popular in both residential and commercial landscapes.

An outdoor steel planter box also tends to feel more permanent. Instead of looking like something dropped into place at the last minute, it feels integrated with the patio or landscape design. That is important when the goal is to make the space feel designed instead of decorated.

As the steel ages, it can also develop character that works well outdoors. Rather than fighting the environment, it starts to belong to it.

The Look of Steel and the Value of Simplicity

There is a reason simple forms tend to outlast design trends. They do not depend on decoration to make their point. Steel planter boxes work because the lines are clear and the material feels grounded. They can support lush planting, minimalist greenery, seasonal color, or more architectural arrangements without fighting for attention.

That kind of simplicity is useful in outdoor design because it gives the plants room to do their work. The planter provides the structure. The greenery provides the life. Together they create a balanced look that feels thought through instead of overdone.

Blending Planters with Fire Features and Outdoor Living Areas

One of the simplest ways to make an outdoor area feel complete is to balance the harder elements with planting. Fire features, stone walls, and paving all benefit from a little softness around them. That does not mean the design needs to become busy. It just means the space needs contrast.

Steel planter boxes can work beautifully around custom steel fire pits by softening the edges of the patio and helping the entire space feel more intentional.

Planters are often underestimated because they are not the center of attention. But that is exactly why they matter. They quietly improve the whole composition.

Placement, Sizing, and Practical Use

Think first about what the planter is supposed to do. Is it defining a space, screening a view, framing an entrance, or simply adding texture and greenery? Once you know the purpose, the right size and placement become easier to choose.

Longer boxes can create elegant edges along patios or pathways. Taller boxes can help define transitions or add vertical structure. Smaller units can group together in pairs or clusters. The goal is not to fill every empty spot. The goal is to place planters where they make the space feel more grounded and complete.

A well chosen planter does not shout for attention. It simply makes the whole area look more finished.

Practical Notes for Layout and Installation

When placing planters, think about spacing, sightlines, and maintenance. Leave enough room for people to move comfortably. Think about where watering will happen and how sunlight changes across the day. If a planter is meant to frame a view or edge a path, small adjustments in placement can make a big difference.

Good design rarely comes from adding more than you need. It usually comes from putting the right pieces in the right places. Steel planter boxes are valuable because they can play that role without demanding attention.

Durability Without Looking Industrial

One of the strengths of steel is that it can feel substantial without feeling harsh. In the right setting it reads as refined, clean, and intentional. That gives designers and homeowners a material that can stand up to the outdoors while still feeling appropriate beside patios, entries, and seating areas.

That balance is hard to get with cheaper containers that look temporary or overly decorative. Steel holds the line between function and style in a very natural way.

FAQ

Why choose steel planter boxes?
Steel planter boxes are durable, visually clean, and well suited to outdoor spaces where long-term performance matters.

Can custom metal planter boxes be sized for a specific project?
Yes. Custom sizing can help the planters better match patios, walkways, entry areas, and other landscape elements.

Are steel planters good for modern outdoor design?
Yes. Their simple lines and solid presence work especially well in modern, transitional, and rustic-modern spaces.

Where should planters go in an outdoor living area?
They work well near entries, along patios, beside seating areas, or around focal points where they add softness and balance.

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