Absolutely! Modularity is a major trend in urban gardening, offering incredible flexibility for small spaces. Modern urban planter boxes frequently come in modular designs specifically for stacking and connecting, allowing you to build custom vertical gardens, living walls, or tiered arrangements.
These systems typically feature uniform connectors, interlocking edges, or built-in slots for secure attachment. Common materials include lightweight, UV-resistant polypropylene, powder-coated steel, and durable cedar. The key benefit is customization; you can start small and expand your garden vertically or horizontally as needed. This is perfect for creating herb walls on balconies, privacy screens on patios, or organized vegetable plots on rooftops.
When shopping, look for terms like "stackable," "interlocking," "modular system," or "connectable." Ensure the design includes proper drainage alignment and structural stability when stacked. With modular planters, your urban green space can grow and adapt right along with your vision.