To me, they are the very low maintenance plants I can have. I try to collect every color I see in stores. These are the ones I have so far.

These are my dwarf yellow. They are excellent for borders. I enjoy going by my driveway seing them there and sort of saying hi to me.. it tickles me to think about this.. 

For background, this tall maroons are probably best  ones, but they require stakes to keep them up or otherwise you just look at them looking down to the ground or perhaps lying down on ground.