To provide an inexpensive frog to be used for a deep flower bowl and a flat flower bowl in common, which can simply be installed without flawing or breaking a flower bowl by the frog in the case of using the frog in the deep flower bowl and which can be used similarly to a conventional frog for living flowers in the case of using the frog in the flat flower bowl.

A fixture (3) is provided at the peripheral part of the pedestal (1) of the frog for living flowers, which is obtained by implanting many spikes (2) to the pedestal (1), and a frog fitting jig (A) provided with a clamp (6) at one end of a chain (5) of a desired length provided with a latch (4) on the other end is made to be attachable and detachable by fitting the clamp (6) to the fixture (3).