Abstract: To realize a root-preventing sheet with outstanding shape maintaining properties while being thin and light that even when affixed has no wrinkles, is difficult to tear, has excellent applicability, durability and adhesiveness and demonstrates definite root-preventing effects at low cost.

Abstract: The present invention provides a planting device for plants to be formed mainly on a rooftop, a roof of a building, or the like. The planting device for plants comprises a body portion provided with a first fixing means and a second fixing means. The first fixing means is firmly fixed to a mounting surface of the body portion. The second fixing means is linked to the first fixing means. The body portion is provided at a bottom with a water draining means, a water retaining means and the first fixing means. A water receiving means is provided at a side wall of the body portion. Soil is filled into a surrounding space enclosed with the side walls and desired plants (or a desired plant) are planted on the soil. A planting structure in which multiple adjacently arranged planting devices may be used is also provided.

Abstract: To realize a root-preventing sheet with outstanding shape maintaining properties while being thin and light that even when affixed has no wrinkles, is difficult to tear, has excellent applicability, durability and adhesiveness and demonstrates definite root-preventing effects at low cost.

Abstract: A planting device which is simple in structure, small in number of components, light in weight, easy to conduct various types of maintenance work, low in material cost, high in construction efficiency, easy to continuously arrange when greening is carried out at a gradient surface, and in particular, high in work efficiency in terms of watering as well as a planting structure in which the planting device is used.