The present invention concerns a method for treating seeds that can be used, in particular, for coating seeds The treatment method of the invention is a method for treating, in particular film-coating, seeds, comprising at least: - a step of dispersing a hydratable compound in an aqueous medium, the hydratable compound being present in the dispersion at a concentration of at least 4.5% by weight, relative to the total weight of the dispersion, and - a step of bringing the dispersion obtained in this way into contact with seeds.
