The flowers of any species are typically controlled by genes and are usually of a certain color: bog cranberry typically has pink flowers, starflowers are white, forget-me-nots are blue, and so on.

The genus Iris of flowering plants -- named after the Greek rainbow goddess because of the variation in flower color -- comprises over 300 species across the northern hemisphere, some of which are ...

Q: I have a bed of what USED to be purple bearded iris. All of them have turned to white in color. Is there an amendment I need to make in the soil? Or can you tell me why this has happened? I planted ...

Bearded irises have come a long way from the simple Iris pallida fondly called “Grandma’s flags” and grown in so many gardens many decades ago. Named for the Goddess of the Rainbow in Greek mythology, ...

Irises blanket a garden in purple at Hayamizu Park in Miyakonojo, Miyazaki Prefecture, on April 18, 2021. Some 420,000 flowers consisting of 28,000 iris plants showed the first signs of blossoming ...

Question for Dan Gill: My Louisiana irises are just about finished blooming. When is the best time to dig and transplant plant them? One more question. My brother tells me if you mix colors of irises ...