Disclosed is a horticultural strut for facilitating plant growth, comprising a metal tube (1) and a plastic layer (2) covering the surface of the metal tube (1), wherein there is at least one auxiliary spirally disposed rib strip (21) along the metal tube in the axial direction at the surface of the plastic layer (2), and rod sleeves are provided at both ends of the metal tube (1), respectively. The addition of auxiliary spirally disposed rib strips on the coated plastic tube makes vines and climbing plants climb up along the spiral auxiliary rib strips, improves the adhesive force of the vines and climbing plants, and facilitate the growth of vines and climbing plants.
