To provide a concrete body for moss greening so structured as to effectively supply water to moss while the body has a simple structure, having no need of time and labor for forming any specific water supply system in construction thereof, and thereby easily constructed.

The concrete body for moss greening comprises forming a concrete surface 11 to be greened 19 on the upper surface of which a moss vegetation mat 2 is laid, and forming a rainwater reserving hole 3 in the area of the concrete surface to be greened so that the rainwater reserving hole is covered with the moss-vegetation mat in such a condition that the moss-vegetation mat is laid on the concrete surface to be greened.