A connector assembly for a plant support structure comprising of a hub, a compressible sleeve and a second piece engaged with the hub is disclosed. The hub contains a pass through hole at the center to allow passage of a support member. It also contains receptacles perpendicular to the axis of the central pass through hole to receive the cross members of the plant support structure. The reversible engagement features utilized to secure hub to the second piece allow vertical repositioning of the cross members supporting multiple plants.