This is an example of an eclectic landscaping in Louisville.
This closeup shows us how far apart the sedums were planted. Sedums thrive atop the roof, and in Kentucky, they don’t require additional watering. However, water played a big role in the structural calculations. When engineering the structure, Graham had to not only calculate the weight of the roof, substrate and plants, but also figure in how much weight rain or snow could add. The estimated saturated weight of the green roof was about 2,500 pounds, so Graham designed the farming to support dou - erna_auton