Planting device for iron pole coniferous tree in limited space and planting method

The invention belongs to the technical field of garden greening engineering, and particularly relates to a planting device for an iron pole coniferous tree in a limited space and a planting method. The planting device comprises a planting device body; the planting device body includes a base and a tree body vertically arranged on the base; the top part of the tree body is provided with a supporting frame assembly; the supporting frame assembly is connected with the tree body through a wire fence traction device; and the supporting frame assembly includes a main supporting frame, a primary supporting frame and a secondary supporting frame. According to the planting device, by utilizing the climbing performance of the plant and a traction technique, the plant and an iron pole support are organically and perfectly combined effectively to produce the effect of greening with a fake pole but true leaves; the effect of true greening is brought to greening of the limited space, and good ecological benefits and enviro