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Kowharawhara Astelia banksii

Kowharawhara astelia banksii, commonly known as Banks' Astelia, is a stunning native plant that brings a touch of New Zealand's unique biodiversity to your garden. With its striking foliage and adaptability, this ornamental plant is ideal for various landscaping projects, whether you’re looking to create a textured garden bed or an eye-catching border. Astelia banksii thrives in diverse conditions, making it a versatile choice for many gardeners.

Astelia banksii (Wharawhara / Shore Astelia) – Silver-Grey Foliage for Coastal and Architectural Landscapes

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Wharawhara, Shore Astelia

Astelia banksii, commonly known as Wharawhara or Shore Astelia, is a striking New Zealand native plant celebrated for its silver-grey, strap-like leaves that arch gracefully. Forming dense clumps up to 1.2 metres in height and width, it brings texture and visual interest to gardens year-round. This evergreen perennial thrives in full sun to partial shade and prefers well-drained soils, making it ideal for coastal gardens, borders, containers, and mass plantings. In spring, Astelia banksii produces small, pale green flowers, followed by purple-black berries in autumn, which attract native birds. Its tolerance to wind, drought, and coastal conditions, along with low maintenance requirements, make it a versatile choice for various garden styles, including modern, native, and architectural designs.

  • Suited to regions:
    All regions
  • Plant type:
    Flaxes
  • Height:
    1.20 m
  • Spread:
    1.20 m
  • Tolerances:
    Coastal, Extended dry periods, Hardy, Wind
  • Garden uses:
    Banks, Containers, Living areas, Ponds, Pool areas
  • Garden styles:
    Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern, Native, Riparian

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Astelia banksii (Wharawhara / Shore Astelia) – Silver-Grey Foliage for Coastal and Architectural Landscapes

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Characteristics of Kowharawhara Astelia Banksii

Astelia banksii features long, arching leaves that can reach lengths of up to a meter, creating a beautiful, flowing effect. The leaves are a rich green color with a prominent silvery sheen, which adds visual interest and shines in the sunlight. This plant can grow up to 1.2 meters in height and develops a stout clump over time. Its architectural form not only enhances aesthetic appeal but also provides valuable structure in the garden.

Ideal Growing Conditions

Kowharawhara astelia banksii flourishes in well-drained soil and can adapt to various light conditions, from partial shade to full sun. This resilient plant is particularly well-suited for coastal gardens and can tolerate salt spray, making it a great option for homes located near the sea. Whether you are planting in a sunny spot or a shadier corner of your garden, Astelia banksii is sure to thrive with minimal effort.

Uses in Landscaping

The use of Astelia banksii in landscaping is multifaceted. Its lush, dense foliage offers excellent ground cover while preventing soil erosion, especially on slopes. The plant’s dramatic shape and texture create an excellent contrast with flowering plants and other foliage types. For a stunning combination, consider pairing it with other native Kiwi plants like Astelia chathamica or Phormium Duet. These plants share similar growing conditions and will complement the aesthetic of your garden beautifully.

Companion Plants

To enhance the visual tapestry of your garden, combine Kowharawhara astelia banksii with other compatible plants. Consider integrating it alongside Astelia Westland for a layered look or for a splash of color, try Astelia Red Devil. You might also find that using Phormium Apricot Queen in your arrangements can create a lively and interesting composition full of vibrant hues.

Care Tips

Taking care of your Kowharawhara astelia banksii is straightforward. Ensure that the soil remains moist during dry spells, but avoid waterlogging to prevent root rot. Light pruning helps to maintain its shape and encourages new growth. By pairing it with plants like Libertia Grasshopper, which offers a different texture and color, you can create a lively and dynamic landscape that is low-maintenance yet eye-catching.

In summary, kowharawhara astelia banksii is a fantastic addition to any New Zealand garden. Its resilience, striking appearance, and versatility make it an excellent choice for both novice and experienced gardeners aiming to enhance their outdoor spaces.


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