Harvesting iris seeds is a fun, fulfilling way to expand your iris collection. While irises typically reproduce on their own using rhizomes, gathering their seeds is as simple as picking them once ...

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 ...

Pick a spot to plant the bulbs or rhizomes. Most irises prefer full sun and about six hours of sunlight throughout the day, but check the preferences of your specific variety before choosing a ...

And while you can plant border irises at the same time as bulb irises, the window to complete this task does open up a little earlier. In fact, you can start planting your border iris rhizomes ...

Diminished flowering, clumps that are overgrown or crowded, and a decline in general health in bearded (German) irises are common ... before firming in the plant. The rhizome should end up just ...