You could plant a few of the taller varieties like Sedum Telephium
Autumn Joy or Neon and a couple of the ground-cover spreading types
like Sedum tetractinum and Sedum sexangulare.
Click "Download Catalog" to get the full listing. When you're looking
at the catalog listing, look at both Sedum and Spathulifolium, as
they're both types of sedum. There are so many wonderful varieties of
Sedum you just can't go wrong.