Dianthus is considered a perennial, biennial, and annual, lots of species lot of hybrids, it is a genus of over 300 species including commonly known Carnation or Dianthus caryophyllus. It has single or double flowers in all shades of pink, rose, white, orange, and yellow. Dianthus flowers robustly, spring, summer, and sometimes till the end of the season. It is part of the Caryophyllaceae family of plants. It is native to Europe and Asia with a couple of species from North Africa and North America.
Wonderful border flower some with fragrance. Dianthus thrives in full sun and well-draining soil, avoid overwatering. You can propagate by seeds or by cuttings.
See also Dianthus Barbatus