The success of a perfect indoor setup all depends on the type of carnations you decide to choose. When looking for plants for sale carnation, the different varieties. The dwarf versions, which are smaller in size, are great for windowsills, desks, or shelves. Spray carnations, however, have small bloom groups that create a visual impact in larger pots or decorative planters. Carnations are known for their beautiful flowers and easy maintenance. Scientifically known as Dianthus caryophyllus, these flowers have represented love, admiration, and devotion.