Finding a 20 inch planter box that fits your space and plant needs is essential for thriving herbs, flowers, and small greenery. This guide highlights five top picks, each suited for different setups—balconies, windowsills, patios, and indoor decor. Below, you’ll see who each planter is best for, along with concise reasons to choose or avoid them based on size, drainage, durability, and style.
| Product | Best For | Key Benefit |
|---|---|---|
| The HC Companies Venetian Window Planter Box | Sun-exposed windowsills and long herb displays | Fluted design and removable drain plug for simple watering control |
| CHUKEMAOYI Window Box Planter, 7 Pack | Budget-friendly multi-pack for patios or balcony borders | Attached drainage tray for healthier plants |
| ERINGOGO Rectangular Garden Planter | Mid-size indoor/outdoor versatility | Built-in drainage hole with matching saucer |
| GREANER Rectangle Planters, 3 Pack | Windowsills needing elevated airflow and durable plastic | Elevated feet and multiple drainage options |
| Richland Wood Planter Box White Washed | Rustic or natural decor themes | Wood look with a plastic liner for easy interior use |
The HC Companies Venetian Window Planter Box
Best for sunlit windows and long herb displays. This rectangular, 24″ white planter is lightweight and durable, suitable for indoor and outdoor use. It features a fluted design that adds a classic touch to balcony and windowsill setups. The planter is UV-resistant to resist sun fade. A removable drain plug helps prevent overwatering, and pairing with a matching saucer boosts leakage protection. Best for buyers who want a stylish long planter with simple drainage control and a lightweight build.
Caution: While durable, planters of this type can crack if subjected to heavy impact. Avoid placing under high-traffic gaps where kicked or bumped.
CHUKEMAOYI Window Box Planter, 7 Pack
Best for bulk plant projects and value-conscious buyers. This 7-pack provides multiple 17-inch rectangular planters, each with an attached drainage tray to support healthy watering and reduce mess. The planters are made from lightweight, recyclable plastic and are designed to resist sun and weathering. Choose this if you need several matching planters for a coordinated look across a balcony, patio edge, or kitchen herb wall. A limitation is that the color options are limited to the offered shade, which may constrain design versatility.
ERINGOGO Rectangular Garden Planter
Best for versatile indoor/outdoor use with built-in drainage. This 19.68-inch planter includes a drainage hole and saucer to prevent water accumulation and promote healthier root development. It’s made from sturdy, eco-friendly plastic, making it a practical choice for balconies, patios, or office spaces. The size suits a range of plants from lilies to succulents. Limitation: The exact color options are not specified in the data, which might affect matching with decor.
GREANER Rectangle Planters, 3 Pack
Best for window boxes that need airflow and built-in drainage flexibility. This 3-pack offers long black planters with elevated feet that promote air circulation beneath the pot, helping to reduce moisture buildup. Drainage holes (with additional reserved options) support healthier watering. Choose this if you want a modern, understated look with practical drainage and easy cleaning. Limitation: The set relies on plastic materials that may show wear over time in extreme weather.
Richland Wood Planter Box White Washed
Best for rustic or natural decor themes. This 20″ long by 4″ wide planter has a light whitewash finish and includes a plastic liner for interior use. It’s ideal for centerpieces or kitchen herb displays, adding a warm, rustic charm. Caution: The wood appearance is decorative; if you intend long-term outdoor use, consider weather protection or a protective sealant to mitigate moisture exposure.
Buying Guide
What should you consider when choosing a 20 inch planter box?
- Material and durability: Plastic planters are lightweight and UV-resistant, while wood-like finishes add style but may require maintenance. Consider climate, sun exposure, and wind when selecting a material.
- Drainage: Planters with built-in drainage holes and removable plugs help prevent overwatering. Check if the saucer or tray is included or sold separately to protect surfaces.
- Size and capacity: A 20-inch length is suited for herbs, compact flowers, or small shrubs. Ensure the width and height provide enough root depth for your plants.
- Design and aesthetics: Fluted, elevated feet, or rustic finishes affect how the planter complements your space. Choose a style that matches your decor goals.
- Placement considerations: Windowsill compatibility, balcony guards, and indoor-outdoor transitions should guide size, weight, and drainage choices.
Frequently Asked Questions
- Q: Do 20 inch planters require drainage trays? A: Drainage trays or saucers help manage excess water and prevent surface staining. Look for planters with attached trays or plan to buy compatible saucers.
- Q: Are these planters weatherproof? A: Many are UV-resistant and suitable for outdoor use, but check the product details for material and weather tolerance.
- Q: Can these planters hold large herbs or vegetables? A: They work well for compact herbs and small vegetables, but ensure depth and width meet plant root requirements.
- Q: Which planter is best for a modern Windowsill display? A: The GREANER and CHUKEMAOYI options offer contemporary styling with practical drainage features.
- Q: Is assembly required? A: Most listed planters are ready to use out of the box, with drainage features integrated into the design.
- Q: Can I mix colors within a single display? A: Yes, combining complementary styles can create an attractive visual variety, provided they share compatible drainage and size.