Irises are beautiful flowers with incredible diversity! With more than 70,000 registered varieties, these striking perennials can be planted across almost the entire U.S., except some extremely hot ...

DENVER — Everybody loves iris, but as your garden becomes shadier over time, your iris may need sunnier locations. Even if you have plenty of sun, clumps need to be divided when they become ...

Question: I have mature bearded, Siberian and Japanese irises in the garden at the older house we bought this year. These have all finished blooming. How do I best care for them now through the summer ...

There are two dietes species that carry the common name butterfly iris. The rhizomatous plants in this genus, too, are known as fortnight lilies because their bloom crops come in two-week periods.