So far so good.  The Alpines in the “Secret Garden” survived the summer.  Sedum album ‘Coral Carpet,’ below, puts on a brilliant fall display.

The Stewartia, also a risky move for a green roof, seems to have survived the heat, and is making the expected autumn display:

And, of course, even edibles can be highly ornamental.  The blueberries, thriving in their highly acidified green roof soil mix, are putting on a great show of color: