Uniform fertilizing instrument suitable for potted plants

The uniform fertilizing instrument comprises a first semicircular disc and a second semicircular disc, semicircular holes are formed in the center of the diameter side of the first semicircular disc and the center of the diameter side of the second semicircular disc respectively, and the two semicircular holes are oppositely arranged to form a clamping hole matched with a main stem of a potted plant. The first semicircular disc and the second semicircular disc form a fertilizing disc, and the diameter of the fertilizing disc is larger than or equal to the outer diameter of an upper opening of a potted flowerpot; the first semicircular disc and the second semicircular disc are respectively provided with a plurality of fertilizer falling holes which are uniformly distributed along the circumferential direction, and the circle center of a circle where each fertilizer falling hole is located coincides with the circle center of the clamping hole. According to the utility model, the fertilizer is dispersed through