Horticulture supporting column convenient for growing of plants and producing method of horticulture supporting column

The invention relates to a horticulture supporting column convenient for growing of plants. The horticulture supporting column comprises a metal pipe and a plastic layer wrapping the surface of the metal pipe, at least one auxiliary rib spirally arranged in the axial direction of the metal pipe is arranged on the surface of the plastic layer, and the two ends of the metal pipe are provided with rod sleeves respectively. According to the horticulture supporting column convenient for growing of plants, through the auxiliary rib spirally arranged on the metal pipe wrapped by plastics, liana and vines can climb upwards along the spiral auxiliary rib, the adhesive force of liana and vines is improved, and growth of liana and vines is facilitated; the two ends of the metal pipe are subjected to necking processing, the strength is effectively improved, and the metal pipe can not be easily damaged in installation.