While most ornamental grasses prefer at least 6 hours of sun a day, some are more flexible and will get by on less. Medium growing grasses like the Hameln Grass, Karl Foerster Grass or Karley Rose Grass can be spaced 18 to 24 inches apart. Small ornamental grasses like the Acorus Ogon, Black Mondo Grass and Prairie Dropseed grass can be planted much closer, [...]