Sufficient landscaping should be provided to create an aesthetically pleasing design. In cases where the property abuts an existing roadway, no buffering shall be required. To provide adequate separation between parking spaces and residential zones, adequate buffering or screening shall be provided. In general, the Planning Board may approve waivers to the standard landscaping requirements of the ordinance, provided the plan presented is appropriate and adequate to meet the intent of providing an interesting and aesthetically pleasing landscape.