Abstract: An expandable, portable, and semi-permanent garden planter box for the cultivation of plant life with an enclosable canopy for allowing limited control of the immediate atmospheric environment. The garden planter box is assembled from multiple component blocks capable of longitudinal and vertical integration providing the structural integrity of a solid structure and the adaptability and portability of structure composed of multiple interchangeable component parts capable of relatively easy assembly and disassembly without special tools or heavy equipment.