Tag Archives: dianella

Blue Flax Lilly (Dianella caerulea)

Latin Name: Dianella caerulea

Family: Xanthorrhoeaceae


Description: A plant which keeps growing from year to year. It forms mats. It grows to 0.5 m high and spreads to 0.3 m across. The stem is erect. The leaves are long and strap like. The clasp the stem at the base. They can be 75 cm long with rough edges. The flowers are blue in loose clusters at the ends of branches. The flowers are star shaped. The fruit are shiny blue berries. They are 7-12 mm long.

Notes: It adapts readily to cultivation and is commonly seen in Australian gardens and amenities plantings.


Edible Uses: Fruit – raw or cooked. The fruit is up to 1.5cm in diameter. Roots – The length of rhizomes are pounded and roasted.

Dianella caerulea

Warnings: Please make sure you are looking at the right plant as some Dianella ( like D. tasmanica) are reputed toxic.

Medicinal Uses: None Known

Other Uses: Basketry; Fibre.

Other Information: A very strong silky fibre is obtained from the leaves. The leaves are also used in making baskets.