In this essay, I explore the history of the ideas that have shaped the profession of landscape architecture, in a Swedish context. To this purpose, I have sampled the professional debate on landscape architecture at four points in time. These are the years around 1890, 1930, 1970 and 2010. Drawing on G N Brandt (1920), I make the distinction between two arguably crucial approaches, i . e., naturalism and formalism. By identifying these perspectives, and by dividing the arguments of each time period according to this classification, I am able to compare the course of the debate over time. I take on the task through hermeneutics.