Caesar’s Brother Iris
What: Iris sibirica ‘Caesar’s Brother’ features masses of royal blue flag-like flowers with white throats and gold beards in late spring, emerging from distinctive purple buds. The flowers are excellent for cutting and most effective when planted in groupings.
Best use: Caesar’s Brother Siberian Iris is ideal for mass plantings and general garden use. Its tall flower stalks rising above sword-like green foliage create dramatic visual impact in perennial borders, rain gardens, or near water features.
Plant Details
| Height | 28 inches (up to 4 feet in flower) |
| Spread | 24 inches (space plants 18 inches apart) |
| Hardiness Zone | 2 |
| Sunlight | Full sun to partial shade |
| Watering | Average to wet conditions; tolerates some standing water; may need supplemental watering during drought |
| Growth Rate | Medium |
| Maintenance | Occasional; cut back in late fall; may require staking in exposed sites |
| Uses | Mass plantings, borders, cut flowers |
| Bloom Time | Late spring |
| Flower Color | Royal blue with white throats and gold beard |
| Lifespan | Approximately 10 years under ideal conditions |
