Garden vertical greening water supply device

The utility model discloses a garden vertical greening water supply device which comprises a bottom box, a first supporting plate and a second supporting plate are arranged at the left end and the right end of the upper end face of the bottom box, a top plate is arranged between the upper ends of the first supporting plate, a bottom plate is arranged between the lower ends of the first supporting plate and the second supporting plate, and a supporting plate is arranged between the top plate and the bottom plate. A main water pipe is arranged on the right side face of the second supporting plate, the right end of the branch water pipe is rotationally connected with the main water pipe, the main water pipe is communicated with the bottom box through a booster pump, through holes are evenly formed in the upper end face of the bottom plate and the upper end face of the supporting plate, and placing plates are arranged in the through holes; the left side face of the supporting plate and the left side face of the b