Flower Bobdew wrote:

: Apologies if this sounds blindly naive but...

: Presumably not a good idea to use any leaves which show signs of
: disease, notably black spot? Or does the whole process of 'rotting down'
: eventually make that a mute point?

ALL our sycamore leaves are covered in black spots and they all go in the
leaf mould pile.

I'm sure there are some diseases that should be kept out of leaf mould
piles, but I just pile everything in.

Jim