Iris is the name of a genus of flowering plants belonging to the family Iridaceae. The various Iris species have showy and beautiful flowers which make them popular in gardens and in floral arrangements. The name Iris is derived from the Latin name for rainbow, since Iris flowers exists in an abundance of color variations. The term Iris in not only used to describe the genus, it is also the common name for the comprised species. Sometimes similarly looking showy flowering species from related genera is also called Iris flowers.
If you care for your planted Iris, you can enjoy it for many years to come since it is a perennial flower. Iris flowers growing in warm regions can grow throughout the year, while Iris flowers in colder regions will grow and flower only during the summer. If the climate is very dry and water is scarce, the will Iris will form bulbs. When water is more abundant, the Iris will instead spread via rhizomes. Since Iris can survive even in dry regions, they are very popular in California and Florida. Many Iris species appreciate regions where the nights are cool and the days hot. Ideally, you should plant your Iris in the shade since it can be harmed by strong direct sunlight.