Irises are flowering plants that grow from bulbs or rhizomes. They are easy to care for and reliably produce eye-catching blooms, making them a firm favorite in the garden. With more than 250 ...

Douglas iris has two cream, blue, lavender or purple flowers per branch. The tube at the lower part of the flower is less than 30 millimeters. Ground iris, sometimes called Marin iris, has a tube ...

However, after several years the clumps will run out of steam and die off in the middle, leaving plants that are reluctant to flower. Fortunately it's easy to revive them. Irises spread by ...

Gardening Australia suggests you check with your local authorities or go to Weeds in Australia to assess the weed potential of any plants for your particular area.

These are selections from the UCSC Arboretum’s garden shop. Australia is the world’s smallest ... UC Santa Cruz Arboretum and the Monterey Bay Iris Society, a past president and Lifetime ...