Browse plants / Asphodelaceae
Cassa Blue flax-lily Dianella caerulea 'Cassa Blue'
A cultivar of Dianella caerulea
When it flowers
- January, not flowering
- February, not flowering
- March, not flowering
- April, not flowering
- May, not flowering
- June, not flowering
- July, not flowering
- August, not flowering
- September, flowering
- October, flowering
- November, flowering
- December, flowering
Compact flax-lily with striking blue-grey leaves and blue spring flowers.
A landscaping favourite for its steely blue-grey foliage, which contrasts well with green plants. Small blue flowers in spring are followed by blue berries. Tough in sun or shade.
In the garden
- Flowers
- Small blue flowers with yellow anthers.
- Leaves
- Upright, steely blue-grey leaves.
- Attracts
- Shelter for small wildlife
Growing conditions
- Climate
- Subtropical and temperate
- Light
- Full sun to full shade
- Soil
- Sandy, loam and clay
- Drainage
- Needs good drainage
- Frost
- Moderate frost
- Water
- Very drought tolerant
- Coast
- Sheltered coastal gardens
Planting and care
- Grown from
- Division
Planting
Sun to shade. Space 40 to 50 cm apart for mass planting.
Pruning
Pull out old or dead leaves by hand. Don't cut the whole clump to the ground.
Care
Water in dry spells through the first summer; very tough after that. No feeding needed.
Where it comes from
- Family
- Asphodelaceae
- Order
- Asparagales
- Native to
- Garden origin
Where to buy
Widely available.
We don't have stockists listed for this plant yet. Local native nurseries are often the best place to ask.
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Further reading
- Dianella caerulea 'Cassa Blue' on the Atlas of Living Australia (Atlas of Living Australia)
Native nurseries near you
An independent list of nurseries that specialise in Australian native plants. Nobody pays to be on it. Distances are approximate and in a straight line. Opening hours and stock vary, so check before you go.