Discover affordable, long rectangular planter boxes that fit narrow spaces and busy outdoor areas. This guide highlights economical options that balance durability, drainage, and clean design for both indoor and outdoor use. Each product below offers a generous planting area and a saucer for mess-free maintenance, helping you grow herbs, flowers, vegetables, or succulents without breaking the bank.
Overview of selected products:
| Product | Size | Material | Key Advantage |
|---|---|---|---|
| Window Box Planter Pack (10) – Black | 16.6 x 7 x 5.9 in each | Plastic | Large quantity; durable with attached saucers |
| Window Box Planter Pack (7) – Red | 16.6 x 7 x 5.9 in each | Plastic | Vibrant color option; durable and easy to clean |
| 8pcs Window Box Planter – Grey | 17 x 7 x 6.3 in | Plastic | Integrated drainage and long-lasting plastic |
| 6 Packs Window Box Planter – Brick Red | 17 x 7.2 x 5.5 in | Plastic | Raised feet for drainage and airflow |
| Window Box Planter – 7 Pack – Beige | 17 x 7 x ? | Plastic | Healthy drainage with attached saucers |
These options share common features: rectangular long shapes, built-in drainage trays or saucers, and compatibility with windowsills, patios, and balconies. They’re designed for light to moderate outdoor exposure, and most are recyclable plastic, which helps with long-term value and ease of maintenance.
Window Box Planter Pack – Black (10 Count)

This set includes ten rectangular plastic planters designed for indoor and outdoor use. Each planter measures approximately L16.6 x W7 x H5.9 inches, offering ample space for herbs, flowers, or small foliage. The durable plastic construction resists sun, rain, and snow, enabling long-lasting performance with minimal staining or warping. An attached drainage tray at the bottom supports proper drainage and helps keep surfaces clean. The smooth finish simplifies cleaning and reduces soil buildup over time.
Ideal for gardeners who want multiple planting zones or a coordinated look across a patio, balcony, or window. The black color provides a classic, versatile aesthetic that blends with most decor styles. The included saucer reduces water run-off, helping prevent damage to windowsills, terraces, or decking. Easy to assemble and lightweight for repositioning as seasons change.
Window Box Planter Pack – Red (7 Count)

These red rectangular planters come in a seven-pack, each with the same generous dimensions as the black variant. The durable, recyclable plastic construction withstands outdoor elements while remaining lightweight for easy transport and arrangement. A built-in drainage tray at the bottom ensures excess water won’t pool around plant roots, promoting healthier growth. The smooth exterior surface is straightforward to wipe clean, reducing maintenance time for busy households.
Color can help create a bright seasonal display or coordinate with existing outdoor furniture. They’re well-suited for herb gardens on a kitchen window, or for blooming annuals along a porch. The attached saucers help protect surfaces from moisture, while the long length provides flexibility in planting arrangements for a cohesive look across an outdoor space.
8pcs Window Box Planter – Grey (17 x 7 x 6.3 in each)

These window planters feature a longer height for improved soil depth and plant stability. Equipped with two drainage holes and an attached saucer, they manage moisture effectively and prevent leaks. The high-quality plastic is designed to resist aging from sun exposure, wind, and temperature fluctuations, offering decades of service with proper care. The rectangular design fits most windowsills and narrow outdoor spaces, making them suitable for urban gardens, balconies, and entryways.
With a consistent grey finish, these planters provide a neutral backdrop that helps foliage and flowers stand out. The integrated drainage system simplifies water management, reducing the risk of overwatering. A practical choice for first-time window gardeners and seasoned greens thumbs alike.
6 Packs Window Box Planter – Brick Red

This 6-pack provides an economical way to create a coordinated look across multiple spaces. The planters measure about 17 inches long, 7.2 inches wide, and 5.5 inches tall, with a bottom tray to catch excess water. The brick red finish adds a warm accent that can complement terracotta, wood, or stone surroundings. Raised pot feet facilitate airflow and drainage, helping roots stay healthy in sun-filled patios or brighter windowsills. The durable plastic stands up to seasonal outdoor use with minimal maintenance.
Designed for flexibility, these planters work well for growing herbs along a kitchen window or for lining a balcony with colorful annuals. The attached draining tray minimizes mess and supports consistent soil moisture, making plant care more predictable in variable weather conditions.
Window Box Planter – 7 Pack (Beige)

This beige 7-pack offers a lighter, neutral option that blends with patio furniture and stonework. Each planter features durable plastic construction, designed to withstand sun, rain, and snow without significant discoloration. The planters come with an attached saucer to manage drainage and reduce water runoff, helping keep windowsills and decks cleaner. The smooth surface allows for easy cleaning and maintenance, which is advantageous for busy households or shared outdoor spaces.
Beige can provide a soft, natural backdrop for greenery and seasonal blooms. The long, rectangular shape makes it easy to arrange multiple planters in a row along a window, balcony railing, or garden edge. A practical choice for urban gardeners seeking affordable, low-maintenance planting solutions.
Buying Guide: Key Purchase Considerations For Long Planter Boxes
When choosing cheap long planter boxes, consider space, plant types, and maintenance needs. Durability is important for outdoor use, so look for sturdy plastic that resists fading and cracking after sun exposure. Drainage is critical; select planters with drainage holes and an attached saucer or tray to prevent water damage and root rot.
Size matters: verify that the length and width fit your window sill, balcony, or garden bed. A slightly larger planter provides more soil to keep moisture stable, while a deeper depth supports a wider range of plants, including herbs and small vegetables. Weight is another factor; lighter planters are easier to relocate as seasons shift, though heavier plastics can feel more robust in windy areas.
Maintenance should guide color and finish choices. Smooth finishes are easier to wipe down, and light colors can reflect heat, potentially helping with soil temperature in hot climates. If you plan to group several planters, choose a consistent look to achieve a cohesive outdoor display.
Versatility is a plus: some models are designed to work indoors on windowsills as well as outdoors on patios, making them suitable for year-round use in many climates. Finally, consider environmental impact; recyclable plastics offer sustainability advantages, while ensuring the product stays within a budget-friendly price range.