To provide a self-controlling flower stand apparatus capable of automatically feeding water, maintaining good water quality, accelerating growth of the flower and tree planted herein, extending their life, keeping the environment clean, and useful for horticulture.

This self-controlling flower stand apparatus comprises flowerpot trays 2 on each of which a flowerpot is placed, water-retaining pads 3 placed on the bottom surface of the flowerpot trays, respectively, in close contact with the bottoms of the flowerpots 1 and flowerpot trays 2, water-absorbing cores 4 fitted to respective water-retaining pads 3 to absorb water 6, an electron shower generator 7 that generates high alternating electrostatic potentials, an stainless-steel electron emitting plate electrode 8 which is connected to the electron shower generator 7 with electroconductive wires and coated with electric insulation rubber, a water reservoir 5 in which the plate electrode is installed so as to immersed in the water in the water reservoir 5, and a flower stand box 9 in which these component members, except the electron shower generator 7, which is preferably installed separately from the box 9, are incorporated.