To grow single crystals within the solid solutions between PbZrO3 and PbTiO3, PbZrTi1-xO3 or PZT, is very difficult when compositions are around the morphotropic phase boundary (MPB). In this work, the PZT single crystals were grown by the high temperature solution method, using fluxes with a constant composition, different thermal profiles and different flux/PZT ratios. This approach was successful used to obtain PZT single crystals with compositions near the MPB, of 2 x 2 x 2 mm(3) size and without second phases. The specific experimental conditions to obtain these crystals are analysed and discussed.