This guide focuses on landscape maintenance. It includes relevant agricultural science and practices to keep the landscape aesthetic. All of the maintenance practices are expected standards in landscape maintenance. The guide touches on all plant categories (ornamental plants) and their maintenance, plant science and nutrition, pest management, soil physiology, quality of water and soil, and proper chemical use. Soil and water quality are the most important as they influence the growth and aesthetics of the ornamental plants. The skill and level of understanding of the technical team also influence the quality of the landscape. Maintenance requirements of ornamental plants differ and the document touches on this to show the methods and standard practices when dealing with diverse plants. Landscape quality is influenced by several factors and the root cause of deterioration has to be identified on time. Plant problems can arise from the soil, environment, and irrigation water. The reader needs to look at all angles to identify the source of the problem. This guide tries in brief to show the source of common plant problems.