One of the oldest and best-known perennials in the home landscape is the bearded iris, sometimes called a German iris or a flag. But the genus Iris contains almost 300 species, and many irises have ...

Which perennial flower has the greatest range of colors? It’s iris, appropriately named after the goddess of the rainbow, available in white, yellow, blue, purple, lavender, orange, rust, brown, black ...

In the Puget Sound region, October through November is a good time to plant Siberian iris rhizomes. Choose a sunny location with well-drained soil. Work organic bulb food into the planting hole before ...

June is when Iris eyes are smiling — be they German, Siberian or Japanese. The iris remains one of the sturdiest, most dependable of all perennials. The low maintenance, long-lived plants add garden ...

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 ...

FARGO - Last weekend I took my wife, Mary, on a romantic getaway. I found the perfect destination. Yes, we drove to the University of Minnesota Landscape Arboretum near Chaska. You're probably ...

Rhizomatous iris -- the kind that grows from rhizomes -- includes Siberian, Japanese and bearded iris. (Other types of iris grow from bulbs and have different care requirements.) To keep rhizomatous ...

Irises should be cut back after blooming to prevent energy loss in seed production and promote robust root growth. Remove unhealthy leaves promptly to prevent the spread of diseases or pests and check ...