Grafting structure of multicolor rhododendron simsii

The utility model relates to the technical field of flower and tree planting, in particular to a grafting structure of multicolor rhododendron amabilis. The device comprises a stock branch and a set of three annular fixing supports, wherein each annular fixing support comprises an annular fixing piece and a support; the lower-layer annular fixing support is arranged at the position, 15-25 cm away from the ground, of the stock base rod, three or more branches are fixed to the annular fixing part at intervals, grafting openings are formed in the positions above the intersections of the branches and the fixing part, and first grafting branches are grafted to the grafting openings; the middle-layer annular fixing support is arranged above the lower-layer annular fixing support, three or more branches are fixed to the annular fixing part at intervals, grafting openings are formed above the intersections of the branches and the fixing part, and second grafting branches are grafted to the grafting openings; the uppe