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phormium tenax black

Phormium tenax black is a striking and architectural New Zealand flax that brings bold colour and texture to any garden. Sought after for its dark, almost black foliage, this dramatic plant makes a stunning statement in modern landscape designs and native plantings alike. If you’re searching for a hardy, evergreen option that thrives in New Zealand’s variable conditions, phormium tenax black delivers both style and resilience.

Phormium tenax plant in a garden with green foliage.

Phormium tenax

5 from 2 customers

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.

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
A large Phormium 'Dark Delight' plant with elegant, purple foliage.

Phormium 'Dark Delight'

5 from 3 customers

Phormium 'Dark Delight', also known as Dark Purple Flax, is a bold New Zealand native flax prized for its broad, upright leaves in deep purple to bronze shades. This striking ornamental variety brings drama, colour, and structure to gardens year round. Hardy and versatile, it thrives in a wide range of NZ conditions, from coastal sites to urban landscapes. Phormium 'Dark Delight' is an excellent choice for gardeners seeking a low maintenance, architectural feature.

Suited to regions: All regions
Plant type: Flaxes
Height: 1.20 m
Spread: 1.20 m
Flowering time: Summer
Tolerances: Coastal, Extended dry periods, Hardy, Wet, Wind
Garden uses: Living areas, Parks, Ponds, Pool areas, Specimen
Garden styles: Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern, Native, Riparian
Large Black Rage Phormium in a garden with black foliage.
Phormium 'Black Rage'

Phormium 'Black Rage' is a striking New Zealand native flax known for its bold, upright leaves in deep shades of dark purple to near black. This...

From$20.93
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1m wide Black Polythene

This polythene is 80 microns thick, very durable, and suits a host of different uses. Please enquire about larger sizes and heavier grades.

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2m wide Black Polythene

This polythene is 80 microns thick, very durable, and suits a host of different uses. Please enquire about larger sizes and heavier grades.

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Phormium 'Surfer' plants in pots for sale at The Plant Company nursery.
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Phormium 'Surfer Bronze' plants for sale at The Plant Company nursery.
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Phormium 'Jack Spratt' plants for sale at The Plant Company nursery.
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Phormium tenax

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You might be interested in exploring related Latin Names - Camellia, Canna, Coprosma, Ficus, Fuscospora, Hebe, Heuchera, Ophiopogon, Phormium, Phyllostachys, Pittosporum, Plum, Ribes Tiarella and Wisteria, or related Categories - Black polythene, Weedmat, Currants, Deciduous Climbers, Flaxes, Plum Trees, Mondo Grass, Groundcover Plants, Indoor Plants, Perennials Evergreen Shrubs and Evergreen Trees.

Search phormium tenax black

Why Choose Phormium tenax black?

Phormium tenax black is known for its sword-like leaves that range from deep bronze to dark purple, appearing almost black in certain light. Not only does it provide visual interest year-round, but it also serves a practical purpose in coastal and exposed sites. This variety remains evergreen, boasting excellent tolerance to wind, salt, drought, and even some frost. It’s an ideal feature plant for mixed borders, low-maintenance gardens, and large pots, blending well with both natives and contemporary landscaping schemes.

Ideal Uses for Phormium tenax black

Gardeners love phormium tenax black for its versatility. Use it as a focal point in your garden, mass-plant it for dramatic effect, or pair it with contrasting foliage for an eye-catching display. It’s especially popular along driveways, around water features, or to anchor entranceways. The sturdy leaves provide texture and structure year-round, while tall flower spikes, adored by native birds, add extra interest in summer.

Caring for Phormium tenax black

Plant your phormium tenax black in fertile, well-drained soil and give it a sunny to part-shaded position. While established plants need minimal water, it’s best to provide regular watering and slow-release fertiliser when newly planted to help them establish quickly. Remove spent flower spikes and old leaves as needed to keep your flax looking its best.

Similar and Complementary Phormium Varieties

If you’re interested in exploring more of New Zealand’s beautiful flax options, we stock an excellent range. Consider Phormium tenax for the classic green harakeke form, well-loved for its robust growth and cultural significance. For a greener option, try Phormium tenax 'Green' (Harakeke) as a foundation plant or living mulch.

For gardeners wanting even more dramatic foliage, varieties such as Phormium 'Black Magic', Phormium 'Platts Black', and Phormium 'Black Rage' all offer rich, dark tones with unique forms. Mixing these cultivars creates an engaging landscape with layers of colour and texture.

Bringing Phormium tenax black into Your Garden

Whether you’re rejuvenating an existing bed or designing a new outdoor space, phormium tenax black is an excellent choice for New Zealand gardens. Its low-maintenance nature, striking foliage, and natural resilience make it an enduring favourite. Browse our selection of phormiums to find the perfect companion plants, or contact our knowledgeable team for expert advice on flax selection and care. Bring home the beauty of phormium tenax black and enjoy year-round impact in your landscape.


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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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