#$%^&*AU2014101588A420161117.pdf#####ABSTRACT A support apparatus including a support component and a retaining component integrally joined and perpendicular to each other. Each includes a support structure adapted for supporting or retaining a supportable mass such as garden, a backing structure and spacers spacing these apart with an intermediate zone, such as a drainage zone, between. The invention extends to a support system including a plurality of juxtaposed apparatuses with the support components constituting part of a floor and the retaining components constituting a wall adjacent the floor. The invention further extends to a method of installing a supportable mass such as a garden using such a system, including supporting the mass on the floor.