The sedum plantings come from nearby Emory Knoll Farms, the only nursery in North America to focus solely on propagating plants intended for green-roof systems. Photo 7 of 9 in Daniel Pink's Home in Washington, DC by Amanda Dameron

Daniel Pink's Home in Washington, DC

7 of 9

The sedum plantings come from nearby Emory Knoll Farms, the only nursery in North America to focus solely on propagating plants intended for green-roof systems.