Seedling supporting frame and installation method thereof

The invention discloses a seedling supporting frame and an installation method thereof and relates to the technical field of seedling maintenance. The seedling supporting frame includes inner plates and outer plates, and the inner plates and the outer plates each are of a curved plate structure. The inner side of each inner plate is provided with lining rubber. A screw hole is formed in a middle position of the outer plate; both sides of each outer plate each are provided with a mounting plate, the mounting plate is provided with a number, the number of the inner plates and the number of the outer plates are both three, and the outer plates form a ring structure. The inner plates are located on the inner sides of the outer plates and are in one-to-one correspondence with the outer plates.An adjusting bolt mounted on the outer plate is in contact with one side of the inner plate. A supporting rod is installed between two adjacent outer plates and is movably connected through a connection bolt. A seedling clamp