Renowned for colorful flowers that often have detailed markings, irises are some of the most popular cottage garden plants.

Irises are popular garden flowers with a distinctive shape. Their name means “rainbow” and also refers to the Greek goddess of messaging. There are over 300 different species of irises. Here are ten ...

Left: This 126 year-old bearded iris is preserved in the U.S. National Herbarium alongside millions of other plant specimens. (Smithsonian) Right: A close-up of a bearded iris shows the hair-like ...