Best Large Rectangle Pots For Plants: Compare 10 Planters

#1 · Best Overall

1. Veradek Block Series Long Box

• Dimensions D x W x H: 38"D x 15"W x 16"H
• Weight: 23 lb
• Capacity: 82.59 liters
• Material: Polypropylene Plastic

Best for: Large all-weather patio planting.

Why it ranks #1: Its 38-inch exterior length and 82.59-liter capacity suit substantial planting, while 35-by-12-by-11.75-inch interior dimensions clarify usable space.

A 38-inch length and 82.59-liter capacity give the Veradek Block Series Long Box Planter room for a substantial patio or entryway planting. Its double-walled polypropylene construction is rated for weather from -30 to +50 degrees and resistance to cracks, scratches, UV, and fading, supporting year-round indoor or outdoor placement.

The exterior measures 38 by 15 by 16 inches, while the interior planting area is 35 inches long, 12 inches wide, and 11.75 inches high. That distinction helps you plan the usable soil space rather than relying on the outside footprint alone. The double-walled plastic construction and all-weather resistance support placement in hot or cold conditions, and the modern rectangular shape suits patios, balconies, or front yards.

Skip it if you need a planter that is easy to carry between locations; the Novelty Countryside Flower Box weighs 1.5 pounds.

Choose the Veradek Block Series for a substantial, modern outdoor planting along a patio, balcony, or front yard. Its generous interior dimensions suit larger displays, but account for the 23-pound planter weight when planning where it will sit.

Listed on Amazon as: Veradek Block Series Long Box Planter – Rectangular Outdoor Planter

#2 · Tallest Format

2. MinCHI257 Tall Metal Planter

• Dimensions D x W x H: 38"D x 13"W x 30"H
• Capacity: 13310 cubic in
• Material: Metal

Best for: Tall stainless-steel displays.

Why it ranks #2: At 38 by 13 by 30 inches, this stainless-steel planter offers a notably tall rectangular format and 13,310 cubic inches of stated capacity.

At 30 inches tall, the MinCHI257 planter brings a vertical profile to a 38-inch rectangular planting box, creating a more elevated display for a patio or porch. Its spring-buckle and card-slot assembly avoids screws, while the stainless-steel construction is stated to support 220 pounds of soil laid flat on top.

The planter measures 38 inches long, 13 inches wide, and 30 inches high, so it takes up a defined floor area while lifting the planting display above ground level. Spring buckles and card slots make assembly and removal possible without screws or a screwdriver. The stainless-steel body and stated 220-pound soil capacity support a substantial fill, and the listed portable feature may help when repositioning the planter.

Skip it if you need a low windowsill box; the HC Companies Venetian Window Planter is 6.38 inches tall and 24 inches long.

This MinCHI257 planter suits buyers seeking a tall, modern metal display for outdoor patios or porches. Its screw-free assembly and substantial stated soil capacity are useful, but check that the 30-inch height suits the intended placement.

Listed on Amazon as: 38" L x 13" W x 30" H Metal Tall Rectangular Planter – Large Planter Box for Outdoor Patio/Porch Modern Design for Plants, Flowers, Garden,Spliced Flower Pot (Black)

#3 · Galvanized Steel

3. GZGNEEVL Galvanized Steel Planter

• Dimensions D x W x H: 36"D x 12"W x 16"H
• Capacity: 30 gallons
• Material: Metal

Best for: Galvanized steel garden beds.

Why it ranks #3: The 36-by-12-by-16-inch metal box has a 30-gallon capacity and includes two drainage holes, making it a substantial outdoor-style option.

A 30-gallon capacity in a 36-by-12-by-16-inch galvanized steel box gives the GZGNEEVL planter room for a substantial outdoor arrangement. Its black powder coating and corrosion-resistant steel construction suit a durable garden accent, while two drainage holes provide a route for excess water to escape.

The 36-inch length creates room for a line of flowers or other plants, while the 12-inch width keeps the footprint relatively narrow. The package includes four sides, a bottom surface, an installation manual, an Allen wrench, screws, and gloves, so assembly is part of preparing the planter. Galvanized steel with a black powder coating is described as wear-resistant and corrosion-resistant, and the two drainage holes support outdoor planting.

Skip it if you want tool-free assembly; the MinCHI257 tall metal planter uses spring buckles and card slots without screws.

Choose this GZGNEEVL box for a long, steel garden planter with drainage and a 30-gallon capacity. It suits buyers prepared to assemble the four sides and bottom; allow time for the screw-based setup before planting.

Listed on Amazon as: Black Planter Box 36" L x 12" W x 16" H, Rectangular Metal Planter

#4 · Raised Stand

4. Veradek Demi Series Raised Long Planter

• Dimensions D x W x H: 30"D x 10"W x 18.75"H
• Weight: 12.2 lb
• Capacity: 53.7 liters
• Material: Plastic-stone composite planter & Acaia wood…

Best for: Raised modern patio planting.

Why it ranks #4: This 30-inch planter has 53.7 liters of capacity and comes with an acacia wood stand; its weather-resistant composite suits raised display.

The included acacia wood stand raises the Veradek Demi Series Long Planter to a listed 19-inch height, bringing a 30-inch planting box up from floor level. A fluted plastic-stone composite planter adds textured detail and weather resistance, making this a raised option for patios or balconies.

The planter measures 30 inches long and 10 inches wide, with a height of 14.25 inches before the stand; the overall listed dimensions are 30 by 10 by 18.75 inches. The included acacia stand provides an elevated presentation, while the composite material is described as resistant to cracks, scratches, UV, and fading. Its stated temperature range of -20 to +120 degrees supports use across varied outdoor conditions.

Skip it if you need a broad, ground-level planter; the Veradek Block Series Long Box Planter is 15 inches wide and has no listed stand.

This Demi Series set suits buyers who want a raised, textured planter for a patio or balcony and value the included wood stand. Its 10-inch width is the main fit boundary for planting plans that need more lateral space.

Listed on Amazon as: Veradek Demi Series Raised Long Planter – Wide Planter with Stand

#5 · Longest Lightweight Box

5. Novelty Countryside Flower Box

• Dimensions D x W x H: 8"D x 36"W x 6.5"H
• Weight: 1.5 lb
• Capacity: 13.9 quarts
• Material: Plastic

Best for: Long window-box plantings.

Why it ranks #5: Its 36-inch length, 1.5-pound weight, removable drainage plugs, and built-in feet make it a light, versatile window-box-style choice.

A 36-inch length gives the Novelty Countryside Flower Box room to display a row of flowers or herbs along a window, porch, or walkway. Its lightweight plastic construction makes it easier to place than a heavy planter, while the matte, ridged finish brings a classic flower-box look.

At 36 inches wide, 8 inches deep, and 6.5 inches tall, this box suits long, relatively narrow planting spaces such as a window ledge or porch. Built-in feet lift it slightly, and removable drainage plugs let you adapt water flow for indoor or outdoor use. The plastic is described as fade-resistant and tough, so it can stay outside in sun. Use it as a standalone planter or place it in flower-box brackets.

Skip it if you need a deeper, elevated planter; the Veradek Demi Series Raised Long Planter offers a 10-inch width and included stand.

Choose this Novelty box for a lightweight, classic-looking row of flowers or herbs on a porch, deck, or window. Its long, shallow profile is the key fit consideration, especially for plants that need more root depth.

Listed on Amazon as: Novelty 16365 Countryside Flower Box Planter, 36-Inch, Terracotta

#6

6. HC Companies Venetian Window Planter

• Dimensions D x W x H: 23.5"D x 6.75"W x 6.38"H
• Capacity: 1008 cubic in
• Material: Plastic

Best for: Sun-exposed window displays.

Why it ranks #6: This 23.5-inch plastic box has drainage and UV- and weather-resistant features, fitting windowsills and balconies better than the larger outdoor picks.

UV-resistant plastic that will not crack or fade in the sun makes The HC Companies Venetian Window Planter a practical choice for bright windowsills and outdoor displays. Its 24-inch elongated form gives herbs, flowers, or succulents room to line up, while fluted sides add texture to the planter’s profile.

At 23.5 inches long, 6.75 inches wide, and 6.38 inches tall, this box fits a narrow ledge or balcony edge better than a broad planting area. The lightweight plastic is suitable for indoor and outdoor use, so moving it between locations is manageable. A drain plug lets you manage water release, while the fluted sides add visual detail without changing the compact rectangular footprint.

Skip it if you need a tall, deep container; the MinCHI257 metal planter measures 30 inches high for a more elevated display.

Pick this planter for herbs, flowers, or succulents along a sunny windowsill, balcony, or garden edge. Its UV-resistant construction supports exposed placement, while the narrow width makes it a better match for shallow-rooted planting than deep arrangements.

Listed on Amazon as: The HC Companies Venetian Window Planter Box w/Drain Plug – Long Planter Box for Windowsills, Balconies & More – Plastic Large Rectangular Planters for Herbs & Flowers (24" Warm Gray, Pack of 1)

#7

7. Arcadia PSW Window Box

• Dimensions D x W x H: 6.3"D x 17.5"W x 6.3"H
• Weight: 3.8 lb
• Capacity: 5 lb
• Material: Plastic

Best for: Custom-drainage window gardening.

Why it ranks #7: The 17.5-inch weather-resistant composite box uses recycled plastic, stone powder, and wood dust; drainage holes can be drilled as needed.

The Arcadia Garden Products PSW Window Box arrives without drainage holes, so you can decide whether and where to drill them for your planting setup. Its 17.5-inch rectangular profile fits a compact windowsill or balcony display, while a recycled blend gives the pot a distinctive cement-style appearance.

This 17.5-inch box measures 6.3 inches deep and tall, making it a manageable option for flowers or vegetables in a narrow spot. Its plastic, stone-powder, and wood-dust blend is described as weather resistant and half the weight of most other pots, which helps when cleaning or moving it. Because it has no drainage holes, you can leave it intact for a no-hole setup or add holes with a standard drill bit.

Skip it if you want drainage ready out of the box; The HC Companies Venetian Window Planter includes a drain plug for adjustable water release.

This Arcadia planter suits gardeners who want to control drainage and need a short rectangular box for flowers or vegetables. Its shallow 6.3-inch dimensions suit compact planting, but drilling is part of the setup if drainage is needed.

Listed on Amazon as: PSW Pot Collection [17.5 inch] Plastic/Stone/Wood Composite Window Box Rectangular Planter – No Drainage Hole (Drillable), Indoor/Outdoor Pot for Flowers and Vegetables, Cement Color

#8

8. KvyusFlourish Self-Watering Pots

• Dimensions D x W x H: 6.3"D x 17"W x 6.3"H
• Capacity: 0.53 gallons
• Material: Plastic

Best for: Low-maintenance paired planters.

Why it ranks #8: The two 17-inch pots include drainage holes and saucers plus a 0.53-gallon reservoir, useful when moisture management matters more than planter length.

A 0.53-gallon bottom reservoir feeds water through the planting-pot legs, giving this KvyusFlourish two-pack a self-watering setup for plants that might otherwise be missed during busy days or trips. Each 17-inch rectangular pot includes a saucer and drainage holes, combining water storage with a defined planting space.

Each pot measures 17 inches long, 6.3 inches wide, and 6.3 inches tall, a narrow profile for windowsills or other compact displays. The bottom basin holds 0.53 gallons and distributes water through the pot legs, which can reduce how often you need to water manually. With two planters included, you can make a coordinated pair for herbs or flowers. The plastic construction is lightweight and listed for indoor and outdoor use.

Skip it if you want to monitor water at a glance; the Fasmov 2 Pack Rectangle Self Watering Planter has a water-level indicator.

This KvyusFlourish set fits growers who want paired 17-inch boxes and a reservoir-based watering routine for herbs or flowers. The narrow dimensions suit window displays, but the 0.53-gallon basin still calls for attention during longer absences.

Listed on Amazon as: 2 Pack Self Watering Pots for Indoor Plants 17 Inches Window Boxes Planters Rectangular Flower Pots Rectangle Herb Pots Large Plant Pots with Drainage Holes and Saucers Windowsill Planter, Green

#9

9. Fasmov Rectangle Self-Watering Planter

• Dimensions D x W x H: 16"D x 5.5"W x 5.5"H
• Weight: 16 oz
• Capacity: 7.81 liters
• Material: Plastic

Best for: Self-watering indoor plant pairs.

Why it ranks #9: This two-pack includes water-level indicators and self-watering reservoirs, but each planter is only 16 by 5.5 by 5.5 inches.

A built-in water-level indicator lets you check the reservoir at a glance in the Fasmov two-pack of self-watering rectangular planters. Each 16-inch box measures just 5.5 inches wide and tall, giving multiple house plants, flowers, or herbs a compact shared home for a balcony, desk, or bookshelf.

The pair provides two 16-by-5.5-by-5.5-inch planters, a useful format for placing matching arrangements in separate spots or side by side. A water-level indicator helps you see when the reservoir needs attention, while the self-watering construction supports a less hands-on watering routine. The plastic outer basin is described as durable and suitable for outdoor use, and its lacquer finish gives the surface a glossy look.

Skip it if you need deeper planting space; the Veradek Block Series Long Box Planter has an 11.75-inch interior height.

Pick the Fasmov pair for compact self-watering arrangements of house plants, flowers, or herbs on a desk, bookshelf, or balcony. Its indicator simplifies reservoir checks, while the shallow 5.5-inch profile limits deeper planting.

Listed on Amazon as: Fasmov 2 Pack Rectangle Self Watering Planter with Water Level Indicator, 16x 5.5 Inch Window Gardening Box, Decorative Planter Pot for All House Plants Flowers Herbs, Decorative Planter Pot

#10

10. XiHuaer Ceramic Planter

• Dimensions D x W x H: 5.5"D x 13"W x 6.3"H
• Weight: 4 lb
• Material: Ceramic

Best for: Ceramic countertop planting.

Why it ranks #10: The 13-by-5.5-by-6.3-inch ceramic pot includes drainage and a removable saucer, but its compact dimensions make it the least large-format option.

A removable ceramic saucer catches runoff beneath the XiHuaer rectangular planter, helping keep a countertop clean while the drainage hole lets excess water escape. At 13 by 5.5 by 6.3 inches, this matte-white ceramic pot offers a compact home for indoor or outdoor plants without taking over a surface.

The drainage hole supports water release, while the removable saucer catches what drains through, making placement on a table or countertop more manageable. High-temperature firing is described as providing strength while keeping the ceramic lightweight enough to move. At 13 inches long, 5.5 inches deep, and 6.3 inches high, it suits a small rectangular planting display; the included saucer can be removed when needed.

Skip it if you need a longer planting row; the Novelty Countryside Flower Box Planter measures 36 inches wide.

This XiHuaer pot suits buyers who want a compact ceramic planter for a countertop, table, or small indoor-outdoor display. Drainage and the removable saucer help manage water, but its 13-inch length limits the size of the planting row.

Listed on Amazon as: 13" Rectangular Ceramic Planter with Drainage and Saucer, White