Container for growing plants, consisting of a rigid body (1) comprising a bottom (1.1) and a perimeter wall (1.2) surrounding said bottom (1.1) forming an interior space (2) adapted to accommodate a substrate of culture in which the plants are planted, which has holes (1, 3) made in the bottom (1, 1) and the perimeter wall (1, 2) for the drainage of leftovers of irrigation characterized because the rigid body (1) incorporates a perimeter external support (1, 4) that is integral with the perimeter wall (1, 2) by a structure consisting of rigid sections (1, 5) spaced apart and parallel to each other, integral with the upper contour of the rigid body (one). (Machine-translation by Google Translate, not legally binding)1. Recipiente para cultivo de plantas, conformado por un cuerpo rígido (1) que comprende un fondo (1.1) y una pared perimetral (1.2) que rodea a dicho fondo (1.1) conformando un espacio interior (2) adaptado para alojar un sustrato de cultivo en el que se siembran las plantas, que cuenta con orificios (1, 3) practicados en el fondo (1, 1) y la pared perimetral (1, 2) para el desagüe de sobrantes de riego caracterizado porque el cuerpo rígido (1) incorpora un soporte exterior perimetral (1, 4) que es solidario con la pared perimetral (1, 2) por una estructura conformada por secciones rígidas (1, 5) distanciadas y paralelas entre sí, solidarias al contorno superior del cuerpo rígido (1).