Iris cristata 'Powder Blue Giant' - Dwarf crested iris

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Deer Resistant Part Shade Bird Friendly Full Sun

Powder Blue Giant Dwarf Crested Iris
Iris cristata 'Powder Blue Giant'

Large, pale blue flowers float above sword-shaped leaves in early spring delighting loads of woodland pollinators. This beautiful, tough plant can edge a shady garden or path but is at its best when forming big groundcovering woodland mats. Perfect for naturalizing!

  • Easy to grow and deer resistant
  • Perfect for massing in woodland conditions
  • Early bloom is treasured by native pollinators
  • Native insects and critters love its cover
  • Spreading roots make it great for erosion control

Native Range

Map Credit: The Biota of North America 
Map Key: Green (native), Teal (native, adventive), Blue (present), Yellow (present & rare), Red (extinct)


Prefers rich, well-drained soils from full sun to partial shade. If grown in full sun, the soil must remain consistently moist. Benefits from the addition of lime and rich, organic materials. Is rhizomatous and can be propagated by division after flowering is done with a sharp spade or pulling apart entangled rhizomes (which actually give rise to healthier plants). Best used as a seasonal groundcover, in rock gardens, or added for woodland color.


Mature Size: 6-9" T x 6-12"W

Hardiness Zone: 5-8

Sun Exposure: Full sun to part shade

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