A landscaping channel liner apparatus is provided having a longitudinally-extending trough and longitudinally-extending receptacles. The longitudinally-extending trough has a longitudinally-extending floor located between opposed longitudinally-extending side walls extending therefrom. The longitudinally-extending trough also has first and second opposed transverse open ends formed from the floor and side walls. Each of the side walls defines a longitudinally-extending edge located opposite the longitudinally-extending floor. A longitudinally-extending receptacle is located on each longitudinally-extending edge and includes first and second transverse open ends.