Landscape architecture is a complex and interdisciplinary profession. Dealing with spatial problems inside certain societal requirements, how can we actually define the subject of our work—the landscape with its characteristics and requirements? What is the specific knowledge that defines landscape architecture in relation to other disciplines? What is the basic knowledge we need to teach students in order to successfully deal with the landscape as professionals?In order to find the answer to these questions, the present paper is based on the following hypothesis:there are specific landscape architectural methods and techniques, developed over the last 30 years,which have upgraded much older garden architecture approaches and distinguished our profes