"Annabel" wrote
How about a mixture of plants. One I like to use at the moment is
galeobdolon luteum syn lamium galeobdolon, (yellow archangel).

Pretty, but ought to be called Lamium 'gallopingalong', I think! It seems
rather rampant. I have it spreading in from next door.

I do like some of the other lamiums for the sort of position described;
there are several with various variegations and white or pink flowers.

Sue