Provided is a coated granular fertilizer, which includes a granular fertilizer and a resin coat that coats the granular fertilizer, in which the resin coat contains a urethane resin that is a polyaddition product between a polyisocyanate component and a polyol component, the polyisocyanate component includes an aromatic polyisocyanate, and the polyol component includes a castor oil-modified diol, an alkylene diol having 2 to 8 carbon atoms, and a compound having three or more hydroxyl groups.