Irises: How To Plant, Grow, And Care For Iris Flowers

The tall, beautiful iris flower, named after the Greek goddess who rode rainbows, comes in many magical colors. Despite its divine origins, this beautiful flower is rugged, reliable, and easy to grow. Learn to plant and care for irises for long-term success in your gardens.

About Irises

More than 250 species make up the genus Iris. The most familiar irises are the tall bearded irises (I. germanica), which reach 2 to 3 feet tall. Their distinctive six-petaled flowers have three outer hanging petals (called falls) and three inner upright petals (called standards).

Irises may be a bearded or crested (aka beardless) type. Bearded irises are so-called because they have soft hairs along the center of their falls. The hairs on crested types, like the Siberian iris, form a comb or ridge instead.

Most irises flower from late spring to early summer. Some—mostly bearded hybrids—are remontant, meaning they may flower again later in the summer. The blooming period of Siberian irises tends to follow that of the bearded types.

Irises attract butterflies and hummingbirds and make lovely cut flowers. For iris companions in the garden, look to roses, peonies, and lilies.

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