This invention relates to a storage stable fertilizer composition in the form of pellets or granules comprising an organic fertilizer in admixture with a water absorbent polymer. This invention also relates to a process for producing a storage stable fertilizer composition, the process comprising: i) mixing an organic fertilizer and a water absorbent polymer to form a mixture; ii) pelletizing or granulating the mixture; and iii) drying the pellets or granules for a time and under conditions sufficient to form a storage stable fertilizer composition.