This book explores plant and soil science, and other important subjects found in agriculture. It further explores different branches of amenity horticulture. The aim is to increase knowledge in the field of science and also plant maintenance. These two are very important when managing landscaped gardens and turf fields. Full knowledge of science, maintenance of irrigation and plant maintenance will, overtime, have effect on the cost. Keeping costs down is very important in horticulture. Poor technical expertise increases costs and this must be averted at any cost by implementing proper technical management practices guided by science.