… The national trade association for U.S. landscape architects is the American Society of Landscape Architects (founded in 1899). The ASLA defines landscape architecture as: "encompasses the analysis, planning, design, management and stewardship of the natural and built environments." Clear as the shores of Lake Michigan when filtered by invasive zebra mussels? …No? Wikipedia does a better job of clarifying the definition: "Landscape architecture is the design of outdoor and public spaces to ach …