Provided is a structure for the installation of blocks for landscape in a building complex, which allows a predetermined amount of fertilizer to be automatically supplied to plants in the landscape blocks to help plant growth, has a high structural rigidity, and prevents cars from being collided against the blocks. The structure for the installment of blocks for landscape in a building complex comprises: a cross-shaped landscape block(10) that has a cross-shaped body, and includes shaft through holes, to which shaft bars of a circular protection roller are coupled, and a plurality of coupling holes formed with an inclination from the top to the bottom, and a plant growth portion filled with soil and sand; an H-shaped landscape block(20) that has a plant growth portion, and includes a plurality of coupling holes formed with an inclination from the top to the bottom, an insertion groove into which both lateral ends of the cross-shaped landscape block are inserted, and fixing groove in which a protective couplin
