What about some of the varigated Abelia or Fatsia

Thank-you Badfish we're going to the garden centre tomorrow so I'll check those out, Roy.

Euonymus aureopictus should cope okay there. Bear in mind that walnut trees are, to some extent, allelopathic, meaning other plants get killed by, in this case, juglone, which the tree produces, and the effect increases as the tree grows and spreads its roots more. Some plants are more sensitive than others - off the top of my head, azalea and hydrangea are no no's, so choose carefully. Black walnut is the worst (Juglans nigra) but even if you have the common walnut, that's often grafted onto black walnut rootstock, though not always.

Thank-you Bamboo for that I don't think it's a grafted one because I was talking to the son who's father planted it from a seed. Everything else that's planted under or around it seems to be OK, I'll bear that in mind and the euonymus you mentioned seems good. Roy.