Orange leaves, Red leaves, Frosted leaves
Though hast thy music too, says Keats in his Ode to Autumn. It's a chance to look at up at the trees and notice their changing colours, and admire how lovely they are. Just don't think about all the raking up there will be later The orange brown leaves are on a Sessile Oak (I think!).
The autumn colour continues along this path, from the red of the Rhododendron luteum to the yellows of the Hosta.
The leaves on the Japanese acer are turning a fiery red, although my camera was drawn to the twisting curves of the branches hiding beneath.