a lot nicer with some foliage in them. I ended up going with a pretty simple solution of lining the planters with 3mil trash bags that I stapled to the planter and poked a few drain holes.
Canna Lily's, Coleus, and Sweet potato vine in the planters.
Canna's has already bloomed, and the others aren't far behind.
That's Purple Fountain Grass, and a little bit of sweet potato vine. The grass should get a couple of feet taller and a lot more dense so it should completely screen this stuff out.