Grass, Small Patio, Porch, Deck, Rooftop, Wood Patio, Porch, Deck, Exterior, Green Roof Material, Concrete Siding Material, and Wood Siding Material Stained cedar, ipe, and concrete form the 2,500-square-foot home's modern palette. Indigenous wildflowers and native grasses grow on top of the structure; this planted roof also helps insulate the home and limited its energy needs.  outdoors