With the continuous improvement of people's living standard, greening and ecological environment have become a new pursuit. "Work Report of the State Council in 2017" also stresses that one of the key tasks in 2017 is to increase the ecological and environmental protection and management efforts. And in college education, Gardenology is most related. Its status and development should be the direction for college teachers to think and research. Taking seven colleges and universities with Gardenology in Anhui Province as the research object, investigating the "landscape art" course, this paper sums up problems in present landscape art teaching and proposes innovative interactive teaching methods.