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Harakeke Phormium tenax

Harakeke Phormium tenax, widely known as New Zealand Flax, is a striking native plant that holds a special place in both gardens and traditional Māori culture. With its tall, sword-like leaves and impressive flower spikes, harakeke Phormium tenax brings bold structure, vibrant greenery, and year-round interest to a wide range of landscapes across New Zealand. Its resilience and versatility make it a favourite for urban gardens, lifestyle blocks, and larger native planting projects.

Phormium tenax

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Phormium tenax, commonly known as the NZ flax or Harakeke, is a flax plant that produces erect, green, sword-like leaves. Stems rise above the foliage in summer to bear twisted-looking flowers that result in black seed pods in autumn, and the nectar produced by the flowers attracts both birds and butterflies. Harakeke grows as a clump to about 2 m tall and the same wide, performing best when planted in full sun on a well-drained site. It is a popular landscape option that is also often used to contrast with other plant colours. Mass planting on a bank not only provides an outstanding display but is also excellent for helping to stabilise the soil.

Phormium tenax plant in a garden with green foliage.
  • Suited to regions:
    All regions
  • Plant type:
    Flaxes
  • Height:
    2.00 m
  • Spread:
    2.00 m
  • Flowering time:
    Summer
  • Tolerances:
    Coastal, Extended dry periods, Hardy, Wet, Wind
  • Garden uses:
    Banks, Living areas, Parks, Ponds, Pool areas, Specimen
  • Garden styles:
    Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern, Native, Riparian
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Phormium 'Raspberry Ripple' colourful red, foliage.
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Phormium tenax

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Features and Benefits of Harakeke Phormium Tenax

Harakeke Phormium tenax is celebrated for its robust growth and hardy nature. These evergreen clumps typically reach 1.5 to 3 metres in height with attractive, upright foliage that sways gracefully in the breeze. In late spring and summer, harakeke produces tall, red-tinged flower spikes highly valued by native birds such as tūī and bellbird for their nectar.

This iconic flax is ideal for mass planting, borders, waterway restoration, and use as a shelterbelt or windbreak. Harakeke Phormium tenax tolerates coastal exposure, poor soils, and periods of drought, making it an exceptional choice for low-maintenance and eco-friendly gardens.

Harakeke Phormium Tenax in the Garden

Whether you are establishing a formal landscape or a wild native garden, harakeke Phormium tenax can be used as a statement specimen or mass-planted for dramatic effect. Its bold texture pairs beautifully with grasses and other native species. For a layered and colourful look, consider planting alongside compact varieties like Phormium 'Emerald Gem' or playful accents such as Phormium 'Surfer'.

Harakeke’s adaptability means it can thrive in everything from wetland margins to dry banks. It is also an excellent choice for revegetation and erosion control projects. Gardeners love harakeke for its minimal care requirements—simply remove older leaves as needed and provide plenty of space for each plant to reach its full potential.

Cultural and Practical Uses of Harakeke Phormium Tenax

For centuries, harakeke Phormium tenax has been integral to Māori culture, used extensively for weaving kete (baskets), piupiu (skirts), and ropes thanks to its durable fibres. Today, it’s still highly valued as a sustainable resource and as a key plant in traditional and modern landscapes.

Phormium tenax also supports biodiversity and habitat restoration by providing shelter and food for native birds, insects, and lizards. Combined with other natives, such as Phormium cookianum hookeri, harakeke can form the backbone of a thriving native ecosystem.

Companion Flaxes and Other Favourites

Expand your collection by exploring outstanding selections like Phormium 'Evening Glow', which offers vibrant red foliage, or compact Phormium 'Green Dwarf' for smaller spaces and pots. Add a splash of playful colour with Phormium 'Jester' or bring architectural drama to your garden with Cordyline Red Star. For those seeking a versatile native, Phormium 'Wildwood' (Wildwood Flax) is another excellent option to consider.

Conclusion

Harakeke Phormium tenax is more than just a landscaping staple—it’s a symbol of resilience, beauty, and New Zealand’s natural heritage. Whether you’re restoring a native garden, seeking shelter plantings, or celebrating the art of harakeke weaving, this remarkable plant will deliver for years to come. Explore our range of flaxes to find the perfect companions and create a truly unique Kiwi garden.


Contact us

Whether you need assistance finding the plant you’re looking for or you simply want to know more about who we are and what we do, we invite you to get in touch with us today. A member of The Plant Company team will get back in touch as soon as possible.

–The Plant Company

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