Irises are perennial plants, growing from creeping rhizomes (rhizomatous irises) or, in drier climates, from bulbs (bulbous irises). They have long, erect flowering stems which may be simple or branched, …

Learn everything you need to know about growing irises, including how to plant them, how to grow and care for iris flowers, and how to bulbs in this Old Farmer's Almanac guide.

An iris is any of a genus of about 300 species of plants, including some of the world’s most popular and varied garden flowers. The diversity of the genus is centered in the north temperate zone.

The American Iris Society is a nonprofit institution incorporated February 2, 1927, in the County of Philadelphia, State of Pennsylvania. By the terms of the Charter, the Corporation has no …

Irises are a group of perennial plants known for their distinctive and showy flowers. They are part of the Iridaceae family, which includes other plants such as crocuses and gladiolus. Irises are grown for …

Jul 24, 2024 · What is the iris? The iris is the colored part of your eye. Muscles in your iris control your pupil — the small, black opening that lets light into your eye.

There are approximately 280 species of irises in the world. The majority of them are native to Europe and Asia. Even though the imported garden irises are very beautiful, the 28 iris species native to the …

Oct 21, 2025 · The iris of the eye is the colored, muscular curtain of the eye. Located between the cornea and lens, the iris regulates how much light gets into the eye.

The colored tissue at the front of the eye that contains the pupil in the center. The iris helps control the size of the pupil to let more or less light into the eye.

Sep 12, 2018 · Irises are easy-to-grow perennials with flowers in nearly every color of the rainbow. Discover the most popular irises including tall bearded irises, Siberian irises, Japanese irises, Dutch …