Plots C (Peanut plot) took a ground hugging trailing plant,Perennial Peanut (Fig. 4). Broad leaf herbs have been advocated as alternatives to Sedums for better passive cooling The ever green perennial ground cover herb, native to tropical South America, is characterized by vigorous fast growth and tolerance of high temperature and strong insolation. It has been used successfully as a ground cover or living mulch crop for tropical orchards and as a tropical forage legume with nitrogen fixing capability . The speciessuits the harsh tropical roof top micro climate