A support for plants formed of an elongated member having coils at or adjacent to first and second ends which provide for engagement to one or a plurality of support posts in an elevated position to support plants or a growing structure roof. The supports and coils are formed as a unitary structure and can also include a centrally located coil to provide support for watering and other components for supported plants. A plurality of supports are engageable to form a greenhouse type structure which may be covered with polymeric, shade, or woven material and which may be elevated to provide access to underlying plants.