Dianella nigra, commonly known as New Zealand Blueberry or Turutu, is a native perennial plant found in New Zealand and is known for its attractive foliage and striking blue to purple berries. 
 
Description:
 
Growth Habit: Dianella nigra typically grows in clumps, forming tufts of grass-like leaves. It can reach a height of around 60-80 centimeters and has an upright and arching growth habit.
Leaves: The leaves of New Zealand Blueberry are long and strap-like, resembling grass blades. They are glossy, dark green in color, and may have a bluish tinge to them, giving the plant its common name.
Flowers: This plant produces small, star-shaped flowers that are usually pale blue or white in color. The flowers are borne on slender stalks above the foliage and appear in spring and early summer.
Berries: After flowering, Dianella nigra develops small, round berries that are initially green and later mature to a deep blue to purple color. The berries are attractive to birds and may persist on the plant for an extended period.
 
Growing Conditions:
 
Sunlight: New Zealand Blueberry prefers full sun to partial shade. It can tolerate some shade, but it typically performs best in areas with ample sunlight.
Soil: This plant prefers well-draining, fertile soil. It can grow in a range of soil types, including sandy, loamy, or clay soils.
Watering: Dianella nigra is relatively drought-tolerant once established. However, regular watering during dry periods will help maintain its health and promote berry production.
Temperature: This plant is well-suited for temperate climates and can tolerate light frosts. It is not suitable for extremely cold or freezing temperatures.
Maintenance: Dianella nigra is a low-maintenance plant. Prune as needed to remove any dead or damaged leaves and promote a tidy appearance.
 
Uses in Landscaping:
 
Coastal Gardens: Suitable for coastal environments, as it tolerates salt spray and windy conditions. Adds a hardy, resilient element to seaside landscapes.
Low-Maintenance Gardens: Requires minimal care once established. Its hardy nature and resistance to pests and diseases make it suitable for low-maintenance garden designs.
Erosion Control: Effective for stabilizing soil on slopes and embankments. Its root system helps prevent soil erosion and stabilize loose soils.
Ornamental Planting: Adds visual interest to gardens with its distinctive foliage and colorful berries. Works well as a feature plant or in combination with other ornamental plants.