Here’s why: the foliage is an energy factory, transforming sunlight and carbon dioxide into glucose and oxygen. The glucose is a key component in developing bigger iris roots, also known as ...

The bearded iris (Iris germanica) is considered one of the best types of iris plants to grow in the garden, producing ...

which appear as the foliage emerges, reaching a diminutive height of 3 to 5 inches. Another selection from this group that adorns the sides of my back patio is Iris ‘Katharine Hodgkin’, with ...

Spread a little fresh mulch in the area, too, to keep spores from splashing onto next year’s new foliage when it rains. Bearded iris foliage can harbor iris borer eggs that will hatch ...

The Iris unguicularis ‘Mary Barnard’ is Mary Berry’s favourite flower – she often gives hers as presents to friends - Getty/Andrew Lawson ...