Best Rectangular Planters For Outdoor Plants

#1 · Best Overall

1. Veradek Block Series Planter

• Dimensions D x W x H: 38"D x 15"W x 16"H
• Dimensions: 38 x 15 x 16 in
• Material Type: Polypropylene Plastic

Best for: All-weather patio statement planter.

Why it ranks #1: Its 38 x 15 x 16-inch polypropylene body holds 82.59 liters and lists UV and weather resistance, making it a substantial outdoor choice.

At 38 inches long, the Veradek Block Series offers a substantial rectangular planting surface for patios, balconies, or front yards. Its double-walled polypropylene plastic and all-weather resistance support indoor or outdoor use across a stated temperature range from minus 30 to plus 50 degrees.

The exterior measures 38 by 15 by 16 inches, while the interior is 35 inches long, 12 inches wide, and 11.75 inches high; those interior dimensions help clarify the available planting space. Double-walled construction accompanies the high-grade plastic, which is described as resistant to cracks, scratches, UV, and fading. That combination supports placement in hot or cold climates within the stated range. At 23 pounds, it is a substantial planter to account for when choosing where to position it.

Skip it if you want a lightweight planter that is easy to reposition; the Novelty Countryside Flower Box weighs 16 ounces.

Choose this Veradek for a large modern patio, balcony, or front-yard display that needs an all-weather rectangular planter. Its 23-pound weight and 15-inch width make placement planning worthwhile before filling.

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

#2 · Deepest Root Space

2. WIZWERK Metal Planter Box

• Dimensions D x W x H: 12"D x 32"W x 16"H
• Dimensions: 12 x 32 x 16 in
• Material Type: Metal

Best for: Deep galvanized steel garden bed.

Why it ranks #2: The 32 x 12 x 16-inch galvanized-steel design lists drainage, rust, UV, and weather resistance, with useful planting depth for outdoor crops.

A 16-inch planting depth gives this 32-inch galvanized steel box room for stronger root development, according to its product description. Its powder-coated finish is specified to resist rust, fading, and peeling in outdoor weather, making it a rectangular option for flowers, herbs, vegetables, and ornamental plants.

The planter measures 32 inches long, 12 inches wide, and 16 inches high, a relatively deep rectangular format for outdoor planting. The supplied description links that depth to stronger root growth, and names flowers, herbs, vegetables, and ornamental plants as suitable choices. A galvanized steel core and powder-coated finish are described as resisting rust, fading, and peeling in sun, rain, and changing weather. Listed drainage holes provide a route for water to leave the planter.

Skip it if you want several lightweight boxes for a window; the CHUKEMAOYI seven-pack is listed as lightweight plastic.

Choose this WIZWERK box for an outdoor garden bed where 16-inch depth and weather-resistant metal suit the planting plan. Its 12-inch width creates a narrower footprint than a broad rectangular bed.

Listed on Amazon as: Metal Planter Box 32 Inch Outdoor, Galvanized Steel Raised Garden Bed

#3 · Tall Raised Planter

3. Toriexon Metal Planter Box

• Dimensions D x W x H: 12"D x 26"W x 32"H
• Dimensions: 12 x 36 x 26 in
• Material Type: Metal

Best for: Tall, UV-resistant metal planting.

Why it ranks #3: This 36-inch metal planter stands 26 inches high and includes a removable insert shelf, plus listed drainage and UV- and weather-resistant features.

A 36-inch-long steel planter with a UV-resistant finish pairs a substantial rectangular footprint with protection against sun-related fading. Its 26-inch listed height gives this outdoor container a tall profile, while the removable insert shelf offers an option to change how the interior space is arranged for planting.

The black metal box measures 36 inches long, 12 inches wide, and 26 inches high, creating a narrow, elevated rectangular planting feature for outdoor spaces. Thick steel is described as sturdy and resistant to deformation, while the UV-resistant finish is intended to help prevent fading, cracking, and peeling under prolonged sun exposure. The removable insert shelf gives owners flexibility in arranging the interior. Drainage holes are listed, and the package includes screws, washers, and an installation tool.

Skip it if you prioritize easy lifting and frequent repositioning; the CHUKEMAOYI seven-pack is listed as lightweight plastic.

Pick this planter for a tall, long outdoor display where steel construction and a UV-resistant finish matter. Its 12-inch width makes it a narrower option, and assembly involves the included screws and installation tool.

Listed on Amazon as: 36" Metal Planter Box, Large Rectangular Window Box

#4 · Lined Wicker Style

4. LEWIS&WAYNE Wicker Planter

• Dimensions D x W x H: 11"D x 32"W x 24"H
• Dimensions: 11 x 32 x 24 in
• Material Type: Tall Rectangular

Best for: Decorative raised wicker-style planter.

Why it ranks #4: Its 32 x 11 x 24-inch format includes a 31 x 10 x 10-inch nonwoven liner and 2-cubic-foot capacity for a tall display.

A rattan-like exterior gives this 32-inch rectangular planter a woven look, while its 24-inch height creates a raised display for outdoor spaces. The included nonwoven liner separates the soil from the wicker-style structure, and the product description says the planter can be broken down for storage.

Measuring 32 by 11 by 24 inches, this planter offers a long bed with a tall profile for arranging plants above ground level. Its listed 2-cubic-foot capacity indicates the available overall planting volume. The nonwoven liner measures 31 by 10 by 10 inches and separates soil from the wicker, helping protect the planter structure. When it is not in use, the stated break-down feature supports easier storage. The rattan-like appearance adds a decorative element without changing the rectangular footprint.

Skip it if you need the liner to span the planter's full 24-inch height; its listed liner is 10 inches high.

Consider this planter for a raised, decorative outdoor display where the rattan-like finish and break-down storage are useful. Check the 31-by-10-by-10-inch liner dimensions against your intended planting arrangement.

Listed on Amazon as: LEWIS&WAYNE Tall Planters for Outdoor Wicker Large Rectangular Block Box

#5 · Built-In Drainage Plugs

5. Novelty Countryside Flower Box

• Dimensions D x W x H: 8"D x 35.75"W x 6.5"H
• Dimensions: 8 x 35.75 x 6.5 in
• Material Type: Plastic

Best for: Lightweight classic window box.

Why it ranks #5: The 35.75-inch recyclable polypropylene box is lightweight, has built-in feet, and includes removable drainage plugs for indoor or outdoor use.

At just 16 ounces, the 36-inch Novelty Countryside Flower Box is easy to handle as a long rectangular window or porch planter. Its lightweight, fade-resistant plastic has a matte finish and ridged layers, while removable drainage plugs let you adapt it for indoor or outdoor placement.

The planter measures 35.75 inches long, 8 inches deep, and 6.5 inches high, a low profile for window brackets, porches, decks, or walkway displays. Built-in feet and removable drainage plugs support drainage management, with plugs offering flexibility for indoor or outdoor use. Its type-5 recyclable polypropylene construction is described as tough and fade resistant, and the matte finish with subtle wrap-around satin band keeps the classic appearance understated. At 16 ounces, handling and repositioning are straightforward.

Skip it if you need a deep container for substantial roots; this box is only 6.5 inches high.

Pick this lightweight box for flowers in window brackets, on porches, decks, or along walkways. Its removable plugs support indoor or outdoor use, but the 6.5-inch height favors shallower planting.

Listed on Amazon as: Root & Vessel 16363, Brown, Countryside Flower Box Planter, 36-Inch

#6

6. MinCHI257 Metal Planter

• Dimensions D x W x H: 38"D x 13"W x 30"H
• Dimensions: 38 x 13 x 30 in
• Material Type: Metal

Best for: Tool-free tall metal planter assembly.

Why it ranks #6: Its 38 x 13 x 30-inch stainless-steel design offers an elevated outdoor planting format, and the spring-buckle assembly avoids screws.

Spring buckles and card slots let this 38-inch metal planter assemble and come apart without screws, reducing the need for screwdriver work. Its 30-inch height creates a tall rectangular display for a patio, porch, garden, or other listed setting, while the stainless-steel construction is specified to support soil laid across the top.

At 38 by 13 by 30 inches, this planter provides a long, narrow footprint with a tall profile for outdoor plants and flowers. The spring-buckle and card-slot assembly uses no screws, and the same design makes removal straightforward, supporting setup without a screwdriver. The product description says the stainless steel can lay 220 pounds of soil flat on top. Its portable feature and removable construction may help when handling or storing the planter, though no folded dimensions are provided.

Skip it if you need a broad bed for side-by-side rows; this planter is 13 inches wide.

This MinCHI257 suits buyers wanting a tall, modern planter with screw-free assembly for a patio or porch. Its 13-inch width is the key fit boundary for planting layouts that need substantial side-to-side space.

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)

#7

7. Arcadia PSW Window Box

• Dimensions D x W x H: 6.3"D x 17.5"W x 6.3"H
• Dimensions: 6.3 x 17.5 x 6.3 in
• Material Type: Plastic

Best for: Custom-drainage composite window box.

Why it ranks #7: The 17.5 x 6.3 x 6.3-inch box uses recycled plastic, stone powder, and wood dust; its undrilled base can be drilled for drainage.

A drillable, hole-free base lets you decide whether to add drainage to this 17.5-inch PSW window box. Its blend of recycled plastic, stone powder, and wood dust gives the rectangular planter a distinctive composite material while keeping it lighter than most other pots, according to the supplied product facts.

The box measures 17.5 inches wide, 6.3 inches deep, and 6.3 inches tall, a shallow profile for window-box planting. Because it arrives without drainage holes, you can leave the base intact or add holes with a standard drill bit; the product says drilling will not damage its integrity. Recycled plastic, stone powder, and wood dust form a weather-resistant composite. The lightweight material is described as convenient for cleaning, moving, and planting, supporting flexible indoor or outdoor use.

Skip it if you want a planter ready to drain without drilling; the OSMOFUZE 17-inch box lists drainage holes.

This PSW box fits gardeners who want a lightweight composite window planter and control over drainage. Its shallow 6.3-inch depth suits compact arrangements, while gardeners wanting ready-made holes should consider another option.

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. OSMOFUZE Window Box

• Dimensions D x W x H: 16.9"D x 7.5"W x 5.5"H
• Dimensions: 16.9 x 7.5 x 5.5 in
• Material Type: Plastic

Best for: Drainage-ready six-box set.

Why it ranks #8: This six-piece, 17-inch plastic set includes trays, raised feet, and drainage holes, suiting buyers who need several compact planters.

Six 17-inch rectangular planters come with raised feet and drainage holes, helping water drain while allowing airflow beneath each box. The plastic containers are intended for multiple seasons and suit flowers, vegetables, and strawberries, making the set useful for distributing plantings across indoor and outdoor spaces.

Each planter measures about 17 inches long, 7.2 inches wide, and 5.5 inches high according to the product description, giving flowers, vegetables, or strawberries a compact rectangular bed. Drainage holes and raised feet work together to support water movement and airflow around the base. The plastic construction is described as durable for multiple seasons, and a tray is included in the title, which can help contain runoff in indoor settings. The set includes six boxes.

Skip it if you need deeper soil for large-rooted plants; this box is 5.5 inches high.

Choose this set for compact indoor or outdoor plantings of flowers, vegetables, or strawberries across several locations. Its drainage details and included tray suit tidy placement, while the shallow height limits root depth.

Listed on Amazon as: Window Box Planter, 6 Pcs 17" Flower Rectangle Planter with Tray, Brick Red

#9

9. CHUKEMAOYI Window Box

• Dimensions D x W x H: 16.6"D x 7"W x 5.9"H
• Dimensions: 16.6 x 7 x 5.9 in
• Material Type: Plastic

Best for: Multi-box herb and flower planting.

Why it ranks #9: Seven lightweight plastic boxes measure 16.6 x 7 x 5.9 inches and include saucers, offering multiple compact containers for outdoor plants.

A seven-planter set gives you several 16.6-inch-long rectangular boxes for spreading herbs, flowers, foliage, or succulents across a home or office. Their lightweight plastic construction makes the boxes easier to move, while the stated sun, rain, and snow resistance supports outdoor placement through changing weather.

Each box measures 16.6 by 7 by 5.9 inches, providing a long, shallow planting area for herbs, flowers, and other listed plants. The durable plastic is described as recyclable and sturdy, and the product facts say it can be reused for several seasons without worrying about chipping or cracking. Its lightweight construction helps when arranging or moving multiple boxes. A saucer is included, while the listed features also describe exposure to sun, rain, and snow without discoloration.

Skip it if you need a deeper container for plants with substantial root systems; this box is 5.9 inches high.

Choose this set if you want several lightweight rectangular boxes for herbs, flowers, or foliage around a home or office. Its 5.9-inch height suits shallow planting; look elsewhere for greater root depth.

Listed on Amazon as: Window Box Planter,7 Pack Plastic Vegetable Flower Planters Boxes

#10

10. LOCONHA Window Box

• Dimensions D x W x H: 16.6"D x 7"W x 5.9"H
• Dimensions: 16.6 x 7 x 5.9 in
• Material Type: Plastic

Best for: Easy-clean window box set.

Why it ranks #10: Seven 16.6 x 7 x 5.9-inch plastic boxes include saucers and list drainage holes, but provide less capacity than the larger outdoor formats.

A smooth plastic surface makes these seven 16.6-inch window boxes easier to clean after outdoor use. Their lightweight construction also helps with repositioning, while the listed resistance to sun, rain, and snow suits gardeners seeking matching containers for flowers, vegetables, or other plants in changing weather.

Each rectangular box measures 16.6 by 7 by 5.9 inches, giving flowers and vegetables a long planting area without a bulky footprint. The smooth surface supports straightforward cleaning, and the recyclable plastic is described as sturdy yet lightweight for easier handling. The product information says the boxes withstand sun, rain, and snow without discoloration. A drainage hole is listed as a special feature, and a saucer is included among the components.

Skip it if you need taller containers for deep-rooted plants; the Veradek Block Series Long Box Planter is 16 inches high.

This set suits gardeners furnishing several windows or outdoor spots with lightweight boxes for flowers and vegetables. The smooth surface simplifies cleanup, but the 5.9-inch height is a boundary for plants needing deeper soil.

Listed on Amazon as: 7 Pack Window Box Planter, Plastic Vegetable Flower Planters Boxes