The root of this plant resembles more of a bulb than an ... So timing wise, you need to divide your iris from July-September ...

Fortunately it's easy to revive them. Irises spread by underground rhizomes, a storage organ similar to a bulb. Plants can be split apart and replanted in the autumn or spring. It should be done ...

A prime example of needing to divide is ornamental grasses. As they continue to grow, the center of the grass becomes shaded and unproductive. Removing a portion of the grass keeps it attractive and ...