Abstract: There is disclosed a system for supporting potted plants in closed environment such as a nursery, wherein the plants are supported by flexible wires under tension. A pair of truss members are parallely disposed and ridigly set on the ground. Each truss member is provided with a plurality of support bars. A plurality of intermediate vertical structures are provided, and each one is provided with a plurality of spacer bars. A metal tube is used to connect the top of the truss members with a concrete foundation on the ground for support. A plurality of substantially parallel and flexible wires are connected to the truss members and are tensioned to provide rigidity. The wires are supported vertically by a plurality of support bars connected to each intermediate member.