Not-So-Secret Green Roof Gardens

Green roofs are a natural cure to problems created by blacktop jungles.

Perennial Sedum varieties make up most of the maintenance-free vegetative cover on the roof of the Fencing Academy of Philadelphia. Fescue grass, sedge, allium, burnet, and dianthus provide accents. Landscape Design: David Ben Yaacov, RA. Roofscape: Roofscapes.