Dianella caerulea (DBB03) Cassa Blue®
Dianella caerulea (DBB03) Cassa Blue®
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Dianella caerulea (DBB03) Cassa Blue® is a hardy, compact native flax lily with striking blue-green foliage that provides year-round colour. This low-maintenance plant forms neat clumps, making it ideal for borders, mass plantings, and container gardens. Its upright, architectural leaves create a modern aesthetic in garden designs.
In spring and summer, Cassa Blue® produces delicate blue-purple flowers held above the foliage, followed by ornamental deep purple berries. This Australian native thrives in a variety of conditions and is well-suited to drought-tolerant landscapes.
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Mature height
0.4–0.6 metre
Mature width
0.4–0.6 metre
Spacing
0.5 metre
Evergreen/Deciduous
Evergreen
Foliage
Blue-green foliage, blue-purple flowers, deep purple berries
Flowering Period & Fruit Development/Harvest
Spring to summer (September to February)
Sun tolerance
Full sun to partial shade
Maintenance
Low maintenance. Drought-tolerant once established. Trim spent flower stems for a tidy appearance.