
Description
Iris sibirica ‘Caesar’s Brother’ is a clump-forming Siberian iris that showcases stunning, deep purple, flag-like flowers atop 3 ft tall stems in late spring. Its erect, sword-like foliage remains attractive all season, making it a graceful addition to garden borders, rain gardens, or mixed perennial beds.
- Hardiness USDA Zones: 3–9
- Light: Full Sun to Part Shade
- Mature Size: 36–42″ tall (flowers); 18–24″ spread
Note: Available in quart or gallon containers and bare root. Prefers moist, fertile, well-drained to wet soils. Ideal for cut flower use—blooms last about 2 days in vase. Divide clumps every few years to maintain vigor.
Growing Zones: 3–9

Mature Height: | 36–42 inches (90–105 cm) |
Sunlight: | Full Sun to Part Shade |
Mature Width: | 18–24 inches (45–60 cm) |
Botanical Name: | Iris sibirica ‘Caesar’s Brother’ |
Growth Rate: | Medium to Fast |
Foliage: | Erect, grass-like |
Plant Type: | Herbaceous Perennial |
Product Type: | Quart/Gallon containers or Bare Root |
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