Disclosed herein is a container for liquid plant nutrients. The container includes a bottle and a cap. The cap includes an outer sealing skirt, an inner sealing protrusion, a head, and a neck. The outer sealing skirt is formed in a cylindrical shape closed at the top thereof. The inner sealing protrusion is projected from the bottom of the inside of the outer sealing skirt. The head is projected from the outer sealing skirt to be easily gripped with the fingers. The neck connects the head and the top of the outer sealing skirt, is of a width smaller than that of the head, and has a discharge hole extended from the bottom of the inner sealing protrusion to the top of the neck.