Sem Planter || Riviera BlueSem Planter in Riviera Blue by Campania International Add the Sem Planter in Riviera Blue and add this whimsical hue to your landscape. Glazed planters are an excellent way to add interest to any garden space. The Sem Planter in Riviera Blue is sold as a set of 1. Sets cannot be separated. Campania International's glazed and terra cotta planters are expertly handcrafted from natural clay using traditional artisanal techniques. Fired at temperatures