ALAN SIRULNIKOFF / SCIENCE PHOTO LIBRARY ALAN SIRULNIKOFF / SCIENCE PHOTO LIBRARY
Sedum green roof. Garage roof covered with flowering Sedum sp. matting. Sedum plants are used for green roofs because they are drought tolerant, shallow rooting and require little maintenance. Photographed in Gibsons, British Columbia, Canada, in mid-July.
Model release not required. Property release not required.