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Dianella caerulea 'Cassa Blue' (Native Flax)

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Helpful articles

Best Australian natives for pots & small gardens. The trend towards smaller gardens has inspired the plant lovers in the nursery industry to respond with an ever-increasing range of Australian plants that will delight those who want to attract birds and butterflies and bring a little bit of the bush onto their balconies. From banksias to bottlebrush there are plants that will add colour and texture to provide year round interest.

Composting written by Glorious Gardens. Learn all about the joys of composting. Cold composting and hot composting are just two of several options.

Top ten native plants. Native plant specialist Angus Stewart's top ten native Australian plants.

Dealing with possums in the garden.

Plant description

Dianella caerulea Cassa Blue

Dianella caerulea Cassa Blue 3

Dianella caerulea Cassa Blue 2

Dianella caerulea 'Cassa Blue' is a compact, strappy leaved clumping perennial with attractive blue-grey foliage. It has masses of purple flowers from spring to summer, and attractive purple berries afterwards. Grows to half a metre high and wide. It is a tough, drought tolerant low maintenance plant for borders, pots or as an accent plant. Dislikes humid climate and overly wet soils. Best in cooler areas. Likes full sun to part shade.

Further reading: Top ten native plants and Best natives for pots and small gardens (articles written by native plant expert and horticulturalist Angus Stewart).

Additional plant information

Flowers

Flower colour: blue
Flowering season: spring summer

Plant size

Maximum height: 0.5 metres
Minimum height: 0.4 metres

Maximum width: 0.5 metres
Minimum width: 0.4 metres

Sunlight, frost & salt tolerance

This plant will tolerate full or partial sunlight.
Medium frost tolerance.
Plant is salt tolerant.

Fauna attracting?

Yes. Attracts: birds, lizards.

Climate

This plant species will grow in the following climates: cool, temperate.

Soil types & conditions

Loam: dry, moist, well-drained.

Clay: dry, moist, well-drained.

Sand: dry, moist, well-drained.

Miscellaneous information

Native to: Australia.

Planting season: Any.

Types of fertiliser: not specified.

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