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 ...

Siberian irises can be successfully grown in Colorado. They are hardier than either the German bearded or Japanese iris, both in withstanding severe climatic conditions and in withstanding the ...

Beardless irises — Siberian, Japanese, Louisianas and spurias — can be naturalized in gardens. Rhizomes arrive in the fall bundled in damp paper and inside a plastic bag to prevent drying. Unpack ...

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 ...

In today's "Growing Together" column, Don Kinzler explains why it's important to divide the perennial flower named after the goddess of the rainbow and how to do it in August. Iris, named after the ...

When summer's lush greenness gives way to the sunset hues of autumn, you'd expect the garden to overflow with asters and chrysanthemums. But bearded iris? How did this flouncy flower of spring ...

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 ...

An early season garden tour showcased various blooming flowers, including peonies, amsonia, chives, poppies and yarrows. The tour highlighted several iris varieties, notably the large, uniquely ...

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 ...