Pool problems: my head is swimming trying to decide WHAT to put behind my pool!

Charlene from Texas writes: "Hey, we have a spot behind the pool that gets only a few hours of LATE afternoon, intense sunlight.  Any suggestions?  We have nandina on one side and lorapetalums on the other with wax myrtles behind all. I'd love abelia but hubby thinks that won't get enough sun.  Thanks!" When a…