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tasmanian flax lily

The Tasmanian flax lily, also known botanically as Dianella tasmanica, is a stunning, low-maintenance plant that’s perfect for New Zealand gardens seeking robust texture and year-round colour. Known for its strappy green foliage and delicate sprays of violet-blue flowers followed by striking blue berries, the Tasmanian flax lily is a top choice whether you’re landscaping a shady corner, creating a lush native garden, or wanting easy-care groundcover beneath trees. Its adaptability, drought tolerance, and beautiful ornamental value make it both an ideal feature plant and a hardworking landscaping solution.

Dianella tasmanica (Tasman Flax Lily) plants with green foliage and blue flowers.

Dianella tasmanica

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Dianella tasmanica, commonly known as the Tasman Flax Lily, produces upright, strap-like leaves which are a rich, dark green and have a lush appearance. Flower stems rise above the foliage through spring to bear masses of delicate, blue flowers, which result in blue berries.

Suited to regions: All regions
Plant type: Flaxes
Height: 1.00 m
Spread: 1.00 m
Flowering time: Spring, Summer
Tolerances: Coastal, Hardy
Garden uses: Borders, Containers, Living areas, Paths & Steps, Pool areas
Garden styles: Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Modern
dianella-revoluta-kentlyn--2

Dianella 'Kentlyn'

Dianella 'Kentlyn' is a hardy evergreen flax lily valued for its graceful arching blue green foliage that provides year round colour and texture. Delicate blue flowers appear during spring and early summer, followed by attractive blue berries that extend the seasonal display.

Suited to regions: All regions
Plant type: Flaxes
Height: 60 cm
Spread: 40 cm
Flowering time: Spring
Tolerances: Extended dry periods, Wet
Garden uses: Borders, Containers, Living areas, Paths & Steps, Ponds, Pool areas
Garden styles: Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Mediterranean, Modern
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Dianella tasmanica

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You might be interested in exploring related Latin Names - Dianella, and Phormium, or related Categories - Flaxes.

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Why Choose the Tasmanian Flax Lily?

The Tasmanian flax lily stands out for its hardiness and versatility. Thriving in a range of soils and tolerating both partial shade and full sun, it’s an excellent pick for coastal gardens, public spaces, and home landscapes alike. The plant’s lush, evergreen foliage forms dense clumps that deter weeds, while its resilience to dry periods eases your garden maintenance. The bright blue berries and spring flowers not only catch the eye, but also provide food and shelter for native birds and insects, supporting local biodiversity.

Landscaping Uses and Design Ideas

Tasmanian flax lily is prized in NZ landscaping for its ability to fill challenging spaces and bring a vibrant understorey effect to mixed plantings. Use it to highlight garden borders or mass plant it for a striking, uniform statement along driveways and walkways. Pair Tasmanian flax lily with other popular Dianella varieties for contrast in height and foliage. For instance, Dianella Kentlyn offers bold, broad leaves, while Dianella 'Little Rev' brings a more compact, upright form. Mixing Dianella types is a smart way to add texture, guided by your garden's sun and soil conditions.

Related Dianella Varieties for New Zealand Gardens

If you love the Tasmanian flax lily, you might also enjoy exploring other exceptional Dianellas. Dianella Blaze is a vibrant, versatile option with striking blue-green tones, perfect for modern garden schemes. Dianella caerulea (Paroo Lily) is another superb native with similar toughness and clusters of edible berries. For borders or smaller spaces, Dianella Goddess provides a neat, refined look with its slender, arching leaves. Each of these Dianella species brings its own character—choose a mix for maximum impact and year-round interest.

Planting and Care Tips

Plant Tasmanian flax lily in moist, well-drained soil, spacing clumps about 50 cm apart if mass-planting. Water regularly in the first season until established, then enjoy its drought tolerance. Prune off old flower stems and tattered leaves to keep it looking its best. Mulching helps retain soil moisture and suppress weeds. Whether in shade or sun, the Tasmanian flax lily offers easy-care beauty, making it a long-lasting favourite for NZ home and landscape gardens.


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