If you’re looking to build durable, low-maintenance planters and borders, concrete blocks are a practical choice. This guide highlights five concrete and plastic planter options that suit small urban gardens, raised beds, decorative edging, and DIY wall projects. The best pick depends on your space, whether you need quick installation, lightweight materials, or modular design for easy rearrangement. Each product section explains who it’s best for, plus a practical caveat to consider before buying.
| Product | Best For | Key Benefit |
|---|---|---|
| Tan Brown Concrete Planter Wall Block | Beginner DIYers and quick-install projects | Simple stacking with basic connectors |
| MWYZGMOLD Concrete Brick Molds | DIYers building custom walls and borders | Reusable molds for uniform bricks |
| Veradek Block Series Cube Plastic Planter | Modern indoor/outdoor spaces | All-weather, pre-drilled drainage |
| Over The Wall Heavy Duty Hooks | Wall-mounted planters and hanging solutions | No-drill installation over block walls |
| Silicone Square Concrete Molds | Compact, decorative pots | Durable two-material mold |
Tan Brown Concrete Planter Wall Block—7.5” Square, 120-Piece

Best for straightforward planters and decorative borders that require quick assembly. The tan brown units measure 7.5 by 7.5 inches with a 5.5-inch height, stacking easily to form raised beds or modular walls. The design supports linking blocks with basic 2 x 6 inch boards, making it suitable for first-time builders and hobby gardeners seeking immediate results.
Who it’s for: homeowners who want fast, low-cost borders or raised-bed options without specialized tools. Why selected: its simple, scalable setup suits small to medium outdoor spaces with a focus on versatility and speed.
Caution: this block system relies on basic connections; for heavy soil loads or uneven surfaces, consider a level base and additional stabilization.
MWYZGMOLD Concrete Brick Molds—Reusable ABS Block Molds

Best for DIY enthusiasts who want uniform, hollow concrete bricks for garden walls, pathways, or decorative borders. These ABS plastic molds are designed for high-precision sizing, ensuring consistent brick shapes across projects. The molds are reusable and durable, enabling multiple applications from planter boxes to small retaining walls.
Who it’s for: crafters and gardeners who prefer modular brick units and the ability to customize wall height and layout. Why selected: the precision mold supports repeatable results and cost-efficiency on several projects.
Caution: your outcome depends on proper casting technique and curing; ensure bracing and release agents are used to avoid sticking or deformation.
Veradek Block Series Cube Plastic Planter

Best for modern patios and indoor-outdoor spaces that demand durable, all-weather planters. This large square planter features a double-walled plastic construction with pre-drilled drainage holes and plugs. It’s designed to resist cracking, UV fading, and climate extremes, making it suitable for varied conditions from -30 to +50 degrees.
Who it’s for: urban dwellers and homeowners seeking a stylish, maintenance-light planter with reliable drainage. Why selected: its fully assembled, ready-to-use design and drainage options support year-round planting in diverse environments.
Caution: plastic planters can be heavier than they appear; consider placement where you can easily lift or tip to drain after heavy rain or watering.
Over The Wall Heavy Duty Hooks—2-Pack

Best for hanging planters or tools over concrete block walls without drilling. The 2-pack hooks fit over 6-inch block walls and can also anchor to wooden rafters or metal tubing. They are made in the USA and emphasize straightforward, damage-free installation for outdoor spaces.
Who it’s for: homeowners seeking an easy, non-destructive way to maximize vertical space for pots, hoses, or garden accessories. Why selected: the no-drill design protects existing walls while expanding display and storage options.
Caution: verify wall width and weight capacity before loading heavier planters to avoid overstressing the hooks or block surface.
Osilifen Silicone Square Concrete Molds

Best for compact planters and decorative bonsai holders. This three-layer mold combines a hard plastic shell with a silicone inner layer, helping prevent deformation and easing demolding. The finished planter size is 3.9 x 3.9 x 3.9 inches, making it ideal for small plants and container gardens.
Who it’s for: DIYers creating tiny, featured planters for windowsills, desks, or terrariums. Why selected: the dual-material design reduces sticking and offers a clean, compact form for delicate plant sets.
Caution: small size means limited soil capacity; choose this mold if you’re prioritizing compact plant choices and display variety over large specimens.
Buying Guide: Concrete Planter Blocks And Accessories
- Planarity and base: For raised beds or walls, ensure blocks are uniform and have a stable base. Subtle ground irregularities may require leveling or edging to prevent shifting over time.
- Material trade-offs: Concrete blocks are sturdy; plastic planters offer lighter weight and easier mobility. Choose based on climate, exposure, and maintenance needs.
- Drainage and soil considerations: Pre-drilled drainage or hollow brick molds support healthy plant roots; planters with drainage plugs offer flexibility for indoor use.
- Installation effort: Quick-install blocks with simple connectors suit beginners; more complex brick molds and formwork are better for experienced DIYers seeking custom dimensions.
- Weight and transport: Larger blocks or heavy-duty hooks may require assistance for moving and installation. Plan for safe handling and proper lifting techniques.
- Aesthetic alignment: Choose colors and shapes that complement your outdoor décor—neutral tones blend with greenery, while bold shapes create focal points.
- Maintenance: Plastic planters resist weathering but may fade; concrete blocks may crack if subjected to freeze-thaw cycles or improper drainage. Consider location and climate when selecting materials.
Frequently Asked Questions
- Are concrete planters suitable for all climates? Yes, but freeze-thaw cycles can affect some concrete blocks. Choose designs with proper drainage and allow soil to drain during cold seasons.
- Which option is best for quick DIY borders? The Tan Brown Concrete Planter Wall Blocks offer rapid assembly with simple stacking and basic connectors.
- Can plastic planters replace concrete blocks? Plastic planters are lighter and all-weather, ideal for patios and indoor-outdoor use, but may be limited in long-term load-bearing applications.
- Do these products require special tools? Most products listed are designed for straightforward installation, with some molds requiring standard tools and leveling for best results.
- What should I consider for drainage when using these molds indoors? Look for products with pre-drilled drainage and optional plugs to avoid overwatering in indoor spaces.
- Can I reuse these molds for different projects? Yes—reusable molds like the MWYZGMOLD brick molds support multiple projects, helping you diversify borders and walls over time.