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Dianella caerulea 'Cassa Blue' (Native Flax)

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Helpful articles

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

Bulletproof landscape plants. Not all plants are equal. Many require the soil and climate (amongst other things) to be 'just right'. The plants described in this article are the ones that deserve the title of 'bulletproof' and are a good starting point for an easy-care garden.

Stone Gabion fencing and retaining walls. Gabion is a wire basket or wire form, filled with stones and shaped into a fence or retaining wall type structure. Read this article to learn more.

Hedges. This article explains how to care for and maintain your Australian hedge.

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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