Calendula, or Pot Marigold, a flower of the composite family. The calendula is a popular garden and house plant. Its flower heads, which make long-lasting cut-flowers, are about two inches (5 cm) wide with whitish to deep-orange rays. The rays close at night. The leaves, unlike those of the common marigold, do not have a strong odor. The plant grows 12 to 20 inches (30 to 50 cm) high. It is native to southern Europe.
The pot marigold is Calendula officinalis of the family Compositae.The calendula is a popular garden and house plant with bright rays.