Iris sibirica 'Cote d'Azur'
Iris sibirica 'Cote d'Azur' is a refined perennial with elegant violet blue flowers held above narrow grass like foliage in late spring to early summer. Its upright form and graceful texture bring movement and structure to borders while maintaining a clean and polished appearance throughout the growing season.
Height & Spread: 24 - 30 in x 18 - 24 in
Bloom Time: Late spring to early summer
Light Requirements: Full sun to part sun
Soil Preference: Average to moist well drained soil
Watering Needs: Moderate; prefers consistent moisture
Deer Resistance: Deer resistant
Native Status
This Siberian iris is a cultivated selection of a species native to parts of Europe and Asia. It is not native to North America but is widely valued for its durability and adaptability in garden settings.
WILDLIFE & INSECTS
Butterflies
- Attracts butterflies such as Swallowtails and Painted Ladies which visit the blooms for nectar during its late spring display.
Bees
- Supports native bees and bumblebees which forage among the open flowers for nectar and pollen.
Spacing & Landscape Use
Spacing Recommendations
- Space 18 - 24 in apart to allow clumps to expand and form a full upright presence in the garden.
Landscape Placement
- Ideal for borders, rain gardens, and near water features where its upright foliage and seasonal blooms add structure and color.
Companion Plants
- Panicum virgatum 'Northwind' (Switchgrass) - Provides strong vertical structure and contrasts with the fine arching foliage.
- Geranium 'Rozanne' (Hardy Geranium) - Adds long lasting blue blooms that complement the iris flowers.
- Astilbe chinensis 'Visions in Pink' (Astilbe) - Brings soft texture and color contrast in slightly shadier or moist areas.
- Carex morrowii 'Ice Dance' (Variegated Sedge) - Offers bright foliage contrast and thrives in similar moisture conditions.
- Ligularia dentata 'Desdemona' (Leopard Plant) - Introduces bold foliage and strong presence in moist garden settings.