I suppose it's a green roof, but in this photo it looks more like a sepia roof. From the garden of John Kuzma, picture taken September 2017.
Weather Diary, April 10: Hi 63, Low 50/ Precip .14"
Wednesday Vignettes are hosted by Anna at Flutter & Hum. All material © 2009-2018 by Loree Bohl for danger garden (dg). Unauthorized reproduction prohibited and just plain rude.