Best Rectangular Pots For Plants for Windowsills and Gardens

#1 · Best Overall

1. Fasmov Self-Watering Planter

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

Best for: Water-level-checking window gardeners.

Why it ranks #1: The two-pack measures 16 by 5.5 by 5.5 inches and includes a water-level indicator, adding useful watering guidance to a versatile window-box format.

A water-level indicator lets you observe the water level in each Fasmov self-watering planter, giving routine plant care a visible cue. The two-box set measures 16 by 5.5 by 5.5 inches per pot, offering a long, narrow format for multiple house plants, flowers, or herbs.

The pair can be placed on a balcony, office desk, or bookshelf, according to the product information, and each 16-inch box can hold multiple plants. Its 5.5-inch width and height make the rectangular shape a fit for elongated displays rather than broad floor space. The water-level indicator helps you monitor the water supply without relying only on the planter’s exterior appearance. A lacquer-finished plastic outer basin is described as durable and suitable for outdoor use, extending placement options beyond indoor shelves.

Skip it if you need a wide, deep container for a large planting; each box is only 5.5 inches wide and high.

Consider this Fasmov pair for house plants, flowers, or herbs on a balcony, office desk, or bookshelf when checking water level matters. The 5.5-inch width and height set a clear boundary on planting scale.

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

#2 · Best Multi-Pack

2. CHUKEMAOYI Window Box Planters

• Dimensions D x W x H: 16.6"D x 7"W x 5.9"H
• Capacity: 12.13 liters
• Material: Plastic

Best for: Multi-box home gardeners.

Why it ranks #2: Seven recyclable plastic boxes measure 16.6 by 7 by 5.9 inches, offering generous planting space per box for herbs, flowers, or foliage.

Seven 16.6-inch rectangular boxes give the CHUKEMAOYI set capacity for planting across several spots at home or in the office. Each lightweight plastic planter measures 16.6 by 7 by 5.9 inches, providing room for herbs, flowers, foliage, or other listed plant types in a broad, shallow format.

The seven-piece count makes it possible to divide planting among multiple locations instead of relying on a single window box. Each planter’s 16.6-inch length and 7-inch width provide a sizeable growing area, while the 5.9-inch height keeps the rectangular form relatively low. Recyclable plastic is described as lightweight and sturdy, and the product information says it can be exposed to sun, rain, and snow without discoloration. A saucer is included, and the planters are described as reusable across seasons.

Skip it if you need a single compact container for a narrow sill; each box measures 16.6 inches long and 7 inches wide.

This CHUKEMAOYI set suits gardeners furnishing several home or office spaces, or planting multiple varieties across a coordinated group of boxes. Choose it when you can accommodate seven containers and their 16.6-inch length.

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

#3

3. LOCONHA Window Box Planters

• Dimensions D x W x H: 16.6"D x 7"W x 5.9"H
• Capacity: 3.03 gallons
• Material: Plastic

Best for: Weather-exposed multi-box planting.

Why it ranks #3: This seven-pack has the same substantial 16.6-by-7-by-5.9-inch format and lists drainage holes, recyclable plastic, and a lightweight build.

Seven lightweight, recyclable plastic boxes make the LOCONHA set useful for spreading plantings across several locations, with each box measuring 16.6 by 7 by 5.9 inches. The product describes them as suitable for exposure to sun, rain, and snow without discoloration, supporting outdoor placement as well as indoor use.

The seven-box quantity allows separate arrangements of flowers, vegetables, or other plantings, while the 16.6-inch length and 7-inch width give each container a generous rectangular footprint. A listed drainage hole and included saucer support a setup that can pass excess water out of the pot and catch it below. The smooth plastic surface is described as easy to clean, and the lightweight, recyclable material helps with moving boxes during planting or maintenance. Their 5.9-inch height keeps the profile moderate.

Skip it if you have only a short sill or shelf; each planter is 16.6 inches long and the set contains seven boxes.

Choose LOCONHA when you want several matching rectangular planters for indoor or outdoor plantings and value a smooth, lightweight surface. Plan for the 16.6-inch length of each box and storage for the seven-piece set.

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

#4 · Best Recycled Mix

4. Arcadia PSW Window Box

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

Best for: Custom-drainage window gardeners.

Why it ranks #4: The 17.5-inch box combines recycled plastic, stone powder, and wood dust; it is weather resistant and can be drilled for drainage.

A drillable, hole-free base lets you choose where drainage openings go, making the Arcadia Garden Products PSW window box adaptable to different planting setups. Its 17.5-inch width provides a long planting space, while the recycled plastic, stone powder, and wood dust blend gives this rectangular pot a distinctive composite construction.

At 17.5 inches wide, 6.3 inches deep, and 6.3 inches tall, the box offers a relatively narrow footprint for flowers or vegetables along a window or other planting area. Because it arrives without drainage holes, you can leave the base intact for a setup that needs no openings or add holes with a standard drill bit. The lightweight PSW composite is described as half the weight of most other pots, helping with moving, planting, and cleaning; its weather resistance supports indoor or outdoor use.

Skip it if you need drainage ready to use straight from the box; this planter requires drilling to add holes.

Choose this Arcadia Garden Products box for flowers or vegetables when you want a long, lightweight composite planter and control over drainage placement. Its 6.3-inch depth and undrilled base are important fit considerations.

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

#5

5. Lysjtsr Rectangle Planter Box

• Dimensions D x W x H: 16.6"D x 7"W x 5.9"H
• Capacity: 690.96 cubic in
• Material: Polycarbonate (PC)

Best for: Bulk balcony planter setups.

Why it ranks #5: The 12-pack measures 16.6 by 7 by 5.9 inches per box and includes drainage holes and trays, with stackable storage also listed.

Twelve rectangular planters with drainage holes and trays make the Lysjtsr set a practical choice for furnishing several planting spots at once. Each box measures 16.6 by 7 by 5.9 inches, giving flowers or fruits a sizable window-box format while the trays catch excess water.

The 12-piece quantity supports repeating a planting scheme across a balcony or other locations, and each 16.6-inch-long container provides room for flowers or fruits. Two drainage holes per box allow excess water to leave the soil, with an included tray beneath to help keep the surrounding area tidy. The polycarbonate construction is described as durable and suitable for prolonged exposure to light, wind, and sunlight. The lightweight planters are also stackable for storage, helping reduce the space needed when they are not in use.

Skip it if you need just one or two containers and lack room to store extras; this set includes 12 planters.

Choose this Lysjtsr set for a coordinated balcony or multi-location planting setup, especially when stackable storage is useful. Each box is 16.6 inches long, and the 12-planter quantity calls for space beyond the planting area.

Listed on Amazon as: 12Pcs 17Inches Rectangle Planter Box with Drainage Holes and Trays

#6

6. Skelang 16.7-Inch Planter

• Dimensions D x W x H: 16.7"D x 4.72"W x 5.11"H
• Capacity: 336.44 cubic in
• Material: ABS Resin

Best for: Narrow windowsill plant displays.

Why it ranks #6: Two ABS resin planters measure 16.7 by 4.72 by 4.21 inches and include drainage holes and removable trays for a narrow windowsill.

At just 4.72 inches wide, this 16.7-inch Skelang planter provides a long, narrow planting strip for a windowsill, dining table, or coffee table. The two-pot set uses ABS resin with a matte finish and includes removable trays, pairing compact placement with a way to catch excess drainage.

The listed size is 16.7 by 4.72 by 4.21 inches, a slim rectangular footprint that can suit small plant arrangements without taking up as much width as a broader box. Drainage holes at the bottom let excess water flow into the removable tray, helping contain runoff on indoor surfaces. The ABS resin matte finish is described as resisting scratches, dirt, and fingerprints, which supports a neat appearance during everyday use. The product is listed for windowsills, tables, and garden placement.

Skip it if you want a broad arrangement with substantial side-to-side room; this planter is only 4.72 inches wide.

This Skelang pair suits mini-plant lovers arranging succulents, herbs, or cacti on narrow windowsills and tables. Its long, slim shape and included trays are useful indoors, but the 4.72-inch width limits breadth.

Listed on Amazon as: Skelang 2 Pcs Rectangular Plant Pot, 16.7" Flower Planter Box with Drainage Hole, Windowsill Container with Tray for Succulents, Herbs, Cacti, Black

#7 · Best Ceramic

7. MyGift White Ceramic Planter

• Dimensions D x W x H: 5.5"D x 14.25"W x 4.75"H
• Material: Ceramic

Best for: White ceramic tabletop displays.

Why it ranks #7: This 14.25-inch white ceramic planter has two drainage holes and a removable saucer, combining a display-ready finish with water collection.

Two drainage holes and a removable saucer give this MyGift white ceramic planter a straightforward way to drain soil while catching excess water. Its 14.25-inch rectangular length provides room for an arrangement of plants, and the unglazed white finish offers a simple look for home or office displays.

The 14.25-inch length and 5.5-inch depth provide ample potting room for a grouping rather than a single small plant. Two holes in the base let water pass through the soil, while the removable saucer catches excess drainage and can help protect the surface beneath the pot. Ceramic construction and a sleek white, rectangular shape make it suitable for displaying plant life in varied decors; the tray can be removed when emptying or cleaning it.

Skip it if you regularly move planters between locations; ceramic construction is less convenient for frequent lifting than lightweight plastic.

This MyGift pot fits buyers arranging plants for a home or office surface who want ceramic construction, drainage, and a catch tray. Allow for its 14.25-inch length and keep the removable saucer accessible.

Listed on Amazon as: MyGift 14 Inch Unglazed White Ceramic Indoor Plant Pot with Drainage Hole

#8

8. MyGift Black Ceramic Planter

• Dimensions D x W x H: 4.7"D x 9.8"W x 3.9"H
• Capacity: 14 liters
• Material: Ceramic

Best for: Matte-black ceramic centerpieces.

Why it ranks #8: The matte-black ceramic box has two drainage holes and a removable drip tray, with a listed 14-liter capacity for plant arrangements.

A matte-black ceramic finish gives this MyGift rectangular planter a defined look for windowsills, display shelves, or desktop arrangements. Two drainage holes let water pass through the soil, and the removable ceramic tray catches runoff, combining a decorative presentation with a practical watering setup.

The planter’s rectangular form can hold multiple plants, flowers, herbs, or succulents, making it useful for a coordinated centerpiece or kitchen-counter arrangement. Two bottom drainage holes allow water to move through the soil, while the removable tray catches drainage beneath the pot. The matte-black ceramic finish supports a modern display, and the listed 14-liter capacity provides room for an assortment rather than a single small plant. The removable tray also gives access when runoff needs emptying.

Skip it if you prioritize easy lifting above ceramic construction; this planter weighs 2.6 pounds before adding soil and plants.

This MyGift planter suits buyers creating a multi-plant centerpiece or windowsill display with a matte-black ceramic finish. Consider its 2.6-pound empty weight and removable tray when choosing a surface and watering routine.

Listed on Amazon as: MyGift 14 Inch Matte Black Ceramic Rectangular Succulent Planter

#9

9. Skelang 12-Inch Planter

• Dimensions D x W x H: 4"D x 12"W x 4.3"H
• Capacity: 8.56 liters
• Material: Plastic, Resin

Best for: Small-space watering control.

Why it ranks #9: This two-pack suits smaller spaces, with 12-inch pots, drainage holes, and removable saucers to catch excess water indoors.

A removable saucer catches runoff from the drainage holes, giving the Skelang 12-inch planter a practical way to manage watering mess on a windowsill or table. The two-piece set pairs that drainage setup with a compact 12-inch rectangular resin pot, suited to succulents, herbs, or flowers.

Each pot measures 12 inches across the top, with an 11.2-inch base, 4.3-inch height, and 3-inch depth, so the shallow profile can sit on a windowsill or tabletop without demanding much depth. Bottom drainage holes let excess water pass into the removable tray, which the product describes as helping prevent mess and overwatering or insufficient irrigation. Resin plastic with a matte finish resists scratches, dirt, and fingerprints, reducing visible marks during routine indoor or outdoor use.

Skip it if you need a deep container for plants requiring substantial soil depth; this pot is only 3 inches deep.

Pick this Skelang pair for succulents, herbs, or flowers in shallow indoor or outdoor spots where a tray can catch drainage. Its 3-inch depth is the key boundary for choosing plants and placement.

Listed on Amazon as: Skelang 2 Pcs Rectangular Plant Pot, 12" Watering Plant Container with Drainage Hole, Window Planter Box with Saucer for Succulents, Flowers, Herbss

#10

10. SQOWL Ceramic Planter

• Dimensions D x W x H: 9.8"D x 4.4"W x 3"H
• Material: Ceramic

Best for: Glossy ceramic succulent arrangements.

Why it ranks #10: The 10-inch glazed ceramic pot includes a drainage hole and saucer, but its shorter length and 3-inch height limit planting space.

A glossy glazed finish gives this 10-inch SQOWL ceramic planter a smooth surface that the product says is easy to clean. Drainage holes and a matching saucer provide a route for excess water and a place to catch it, making this compact rectangle a tidy option for indoor plant displays.

At roughly 9.92 inches long, 4.45 inches wide, and 3.19 inches high, the planter has a compact footprint suited to smaller arrangements of succulents, cactus, flowers, or herbs. Its bottom drainage holes let excess water leave the soil, while the matching saucer catches drainage and soil overflow to help keep the surrounding area tidy. High-temperature ceramic construction and a glossy glaze give it a smooth finish; the product also lists weather resistance for indoor or outdoor use.

Skip it if you need a deep pot for taller or deep-rooted plants; this planter is only 3.19 inches high.

Choose this SQOWL planter for compact succulent, cactus, flower, or herb arrangements where glazed ceramic and a matching saucer suit the display. Its shallow 3.19-inch height is an important planting boundary.

Listed on Amazon as: SQOWL Rectangle Planter – 10 Inch Ceramic Plant Pots with Drainage Hole and Saucer, Rectangular Succulent Planters for Indoor Plants, Flower Cactus Herb Pots Outdoor, Room Decor, Garden Gifts, Black