The green roof I built in Hertfordshire last year has put on a remarkable growth spurt in recent weeks:
I am very pleased with how it looks now. We had been experimenting with a micro irrigation system to keep it watered in the hot months but this has been redundant given the weather lately. In it’s own small way it is also reducing run off to the surrounding area and lowering the chances of flooding.
The growth is also high enough to be seen from the road: