The present invention provides a solid glyphosate formulation comprising glyphosate acid and further comprising at least one agriculturally acceptable salt of glyphosate, wherein the glyphosate acid and the at least one glyphosate salt are in admixture and wherein the mole ratio of glyphosate acid to total glyphosate moieties in the formulation is at least 10%. Methods of preparing said formulations are also provided.The present invention further provides a method of removing unwanted foliage comprising administering a diluted form of a formulation according to the present invention.