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— Dianella caerulea ‘DBB03’ Cassa Blue™ PP17,998

One of the most attractive Dianella on the market today. Upright habit similar to that of New Zealand flax with a mature height of approximately 24 inches. The blue foliage is accentuated by a heavy wax layer on the leaf’s surface making it attractive, hardy and drought tolerant! Very floriferous, with small violet flower clusters borne on stems sitting just above the foliage in spring.

  • Awesome Upright Habit and Gray-Blue Foliage!!
  • Drought and Salt Tolerant
  • Evergreen To Temperatures in the Teens!
Life Cycle: Perennial
Hardiness Zones: 7b to 11(evergreen in normal Zone 8 winters)
H x W (approx): approximately 2ft tall by 1.5ft wide
Spacing: 2 to 2.5 ft for best LONG TERM results
Bloom Time: spring
Flower: branched inflorescence with masses of small dark violet flowers
Foliage Color: high glaucosity give the foliage a silver-blue appearance
Habit: tufting (i.e. doesn’t “spread) with upright foliage
Containers?: Yes! Large planters
Light Requirement: Full Sun in the southeast; sun to partial shade in the Western US
Water Requirement: Very Low Water Needs!
Maintenance Category: Very Low Maintenance
Uses: Specimen Planting, Group Planting, Home Gardens, Containers
Maintenance Notes:


Extremely drought tolerant
Frost Tolerant
Heat Tolerant
Deer Resistant