A new exhibition chronicles how a paintings conservator and chemist solved a color mystery in one of the painter’s most beloved works.

Irises are among the most versatile flowers you can add to your garden. Some types grow up to 4 feet tall, while miniature dwarf varieties are as tiny as 2 inches. These gorgeous perennials also come ...

Beautiful and elegant, irises are some of the earliest spring flowers to bloom. And while they can brighten any garden with ...

As I start to close down the garden this year, I’m thinking about the recent season, especially my experiments, both successes and failures. I’ve thought a lot about irises, even though I don ...

Irises can look wonderful in early summer, with masses of colourful blooms held on stout flower stalks. However, after several years the clumps will run out of steam and die off in the middle ...