I'm in search for a dark fuschia, dark magenta, or dark wine red Salvia greggii that is relatively compact (under 3' feet, maybe only 2", if possible). I'm gardening in Dallas, on black clay amended with expanded shale, and this will go in full sun. From what I've seen Dark Dancer or Raspberry Royale should suit as far as the color I'd like (but feel free to offer other suggestions). As I look around the internet for how large these get, there are few direct comparisons, but most suggest that Dark Dancer is taller than Raspberry Royale, but the Fort Worth Botanic Garden says that Dark Dancer gets to 24" and Raspberry Royale gets to 29" for them. Which do you think is larger?