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Caesars Brother Siberian Iris

Iris sibirica 'Caesar's Brother'

  • Deep Violet-Blue Blooms with Golden Accents on Low-Maintenance Clumping Perennial
  • Cold Hardy: Thrives in Zones 3-9
  • Grows 40 ft Tall, 24 ft Wide
  • Showy Purple Blooms From Late Spring to Early Summer
  • Deer Resistant, Disease Resistant, Drought Tolerant
Sale price $2315 Regular price $3562
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Plant Size

Specifications

Plant specifications
Plant Characteristics Attracts pollinators, Drought resistant, Flowering, Fragrant
Hardiness Zone 3a to 8b
Sunlight Full sun, Partial shade
Height 40 ft
Width 24 ft
Watering Needs High
Preferred Soil Clay, Loamy, Peaty, Sandy
Growth Rate Fast
Growth Habit Bushy, Compact, Upright
Plant Life Cycle Perennial
Blooms In Spring, Summer
Flower Color Purple
Foliage Color Green
Pet Safety Toxic to pets
Suitable Space Outdoors
Plant Name Iris
Botanical Name Iris sibirica 'Caesar's Brother'
Species sibirica
Cultivar Caesar
Class Asparagales
Does Not Ship To AK, HI, ID, MT, OR, PR, WA

Frequently Asked Questions

What USDA hardiness zones can Caesars Brother Siberian Iris grow in?

  • Caesar's Brother Siberian Iris is hardy in USDA zones 3 through 9. This wide hardiness range makes it suitable for most of the continental United States, from cold northern climates to warmer southern regions. Plant it in spring for best establishment.

How often should I water my newly planted Caesars Brother Siberian Iris?

  • Water newly planted Caesar's Brother Iris deeply 2-3 times per week for the first month. This moisture-loving perennial needs consistent water to establish its rhizome system and thrive in zones 3-9. Reduce to weekly watering once established, available at naturehills.com.

When does Caesars Brother Siberian Iris bloom and what color are the flowers?

  • Caesar's Brother Siberian Iris blooms from late spring through summer with rich, deep blue flowers featuring bright yellow accents on the lower petals. The intense violet-blue blooms are held on sturdy stems, making them excellent for cutting. Plant in moist, well-drained soil with full sun for the longest blooming period.

Are Siberian Iris deer resistant and will they protect my garden from browsing?

  • Siberian Iris like Caesar's Brother are generally deer resistant due to their tough, sword-like foliage that deer tend to avoid. While they won't create an impenetrable barrier, their clumping growth habit can help deter browsing when planted in groups. Plant them in drifts around more vulnerable plants for natural protection.

What plants pair well with Caesars Brother Siberian Iris in a garden design?

  • Q: What plants pair well with Caesars Brother Siberian Iris in a garden design? Caesars Brother pairs beautifully with other moisture-loving perennials like astilbe, ligularia, and cardinal flower in zones 3-9. The tall sword-like foliage creates striking contrast with broad-leaved hostas and ferns. Plant alongside Japanese primrose or marsh marigold for extended spring color, available at naturehills.com.

Can this iris tolerate wet or boggy soil conditions?

  • Caesar's Brother Siberian Iris thrives in consistently moist soil but needs good drainage and won't survive in standing water or true bog conditions. It's perfect for rain gardens and areas around water features where soil stays damp but drains. Plant it where it gets regular moisture without becoming waterlogged.