Solitary plants have larger space demands to the side and are best planted singly; group plants mostly have a slender shape and look best, as the name tells, when planted in groups.

• 单植植物需要侧面有较大的空间，并且单独种植效果最好；群植植物通常都是细长型的，如其名所示，这种植物多株合栽最为美观。