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black flax

Black flax is a distinctive and dramatic perennial native to New Zealand, prized by gardeners for its rich, near-black foliage that brings stunning contrast and bold architectural structure to plantings. Whether used as a statement feature in contemporary landscapes or to add evergreen texture to mixed borders, black flax offers year-round impact with its upright, sword-like leaves and resilience in a variety of garden settings. Its adaptability to coastal gardens, resilience to wind and salt spray, and natural disease resistance make black flax a favourite choice for New Zealand gardens and landscaping projects, both large and small.

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.

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
Large Black Rage Phormium in a garden with black foliage.

Phormium 'Black Rage'

5 from 2 customers

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 dramatic and architectural plant adds instant impact to gardens, providing colour contrast and strong vertical form.

Suited to regions: All regions
Plant type: Flaxes
Height: 80 cm
Spread: 80 cm
Flowering time: Summer
Tolerances: Coastal, Extended dry periods, Hardy, Wet, Wind
Garden uses: Borders, Containers, Living areas, Parks, Paths & Steps, Ponds, Pool areas, Specimen
Garden styles: Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern, Native, Riparian
Phormium 'Surfer Bronze' plants for sale at The Plant Company nursery.
Phormium 'Surfer Bronze'

Phormium 'Surfer Bronze' is a compact and stylish New Zealand native flax with narrow, upright leaves in rich bronze tones. This striking ornamental...

From$14.95
Phormium 'Jack Spratt' plants for sale at The Plant Company nursery.
Phormium 'Jack Spratt'

Phormium 'Jack Spratt' is one of the smallest New Zealand native flax varieties, admired for its narrow, upright leaves in rich bronze to dark...

From$14.95
Phormium 'Surfer' plants in pots for sale at The Plant Company nursery.
Phormium 'Surfer'

Phormium 'Surfer' is a compact New Zealand native flax admired for its striking green leaves edged with bronze and red tones. Its upright, arching...

From$14.95
Phormium 'Emerald Gem' in a native garden.
Phormium 'Emerald Gem'

Phormium 'Emerald Gem' is a dwarf variety of Mountain Flax or Wharariki. It produces emerald-green leaves and grows to 60 cm tall and 70 cm wide in...

From$8.50
Phormium cookianum

Phormium cookianum, commonly known as Mountain Flax or Wharariki, is a graceful New Zealand native valued for its arching green leaves and tall...

From$14.95
Phormium 'Rainbow Red' red and purple striped foliage.
Phormium 'Rainbow Red'

Phormium 'Rainbow Red' is a vibrant New Zealand native flax admired for its bold, arching leaves in shades of bronze, red, and pink. This striking...

From$249.95
Phormium 'Green Dwarf' flax plant in a native garden with Oioi plants.
Phormium 'Green Dwarf'

Phormium 'Green Dwarf', also known as Dwarf Green Flax, is a compact, tidy New Zealand flax cultivar with lush, bright green, strap-like leaves. It...

From$8.50
black-polythene-1-m-wide-
Black Polythene - 1 m Wide

Black Polythene - 1 m Wide is a practical plastic sheeting option for garden, nursery, and landscaping applications. The black finish helps block...

From$138.40
zamioculcas-black-knight-
Zamioculcas Black Knight (Zamioculcas Plant)

Zamioculcas Black Knight is a very popular indoor plant owing to its dark and showy foliage. It grows as a clump and produces upright fronds which...

From$41.33
phormium-veneer-
Phormium 'Veneer'

Phormium 'Veneer' is a striking NZ flax known for its upright, sword like leaves with rich bronze and green tones. This hardy evergreen adds bold...

From$14.95
dianthus-king-of-the-blacks-
Dianthus 'King of the Blacks'

Dianthus 'King of the Blacks' is a striking perennial known for its deep velvety red to near black flowers that create dramatic contrast in New...

From$20.63
Ophiopogon planiscapus nigrescens (Black Mondo) plants with lush, black foliage.
Ophiopogon japonicus nigrescens

Ophiopogon japonicus nigrescens, commonly known as Black Mondo Grass, is a clump-forming plant with fine, near black foliage. The foliage is...

From$9.95
Large Phyllostachys nigra (Black Bamboo) plants growing in clumps beside a path.
Phyllostachys nigra

Phyllostachys nigra, commonly known as Black Bamboo, is one of the more elegant and interesting bamboo varieties. It features erect, black stems that...

From$387.55
phormium-pepe-
Phormium 'Pepe' (Dwarf Flax)

Phormium 'Pepe' is a compact New Zealand flax prized for its fine green foliage and neat mounding growth habit. This hardy evergreen provides year...

From$19.95
Dianella tasmanica (Tasman Flax Lily) plants with green foliage and blue flowers.
Dianella tasmanica

Dianella tasmanica, commonly known as the Tasman Flax Lily, produces upright, strap-like leaves which are a rich, dark green and have a lush...

From$19.25
Ribes 'Black Magnus' black currant shrub with lustrous black berries.
Ribes 'Black Magnus'

Ribes 'Black Magnus' is a vigorous and productive black currant variety prized in NZ gardens for its rich flavoured berries and strong cropping...

From$30.29
Heuchera 'Northern Exposure Black' lush foliage.
Heuchera 'Northern Exposure Black'

Heuchera 'Northern Exposure Black' is a dramatic perennial renowned for its intensely dark foliage that provides exceptional contrast and year round...

From$20.63
fuscospora-solandri-
Fuscospora solandri

Fuscospora solandri (Black Beech) is a distinctive New Zealand native evergreen tree valued for its fine foliage, dense canopy, and strong natural...

From$270.40
Ficus Black Knight growing in a pot with lush, dark foliage.
Ficus 'Black Knight'

Ficus ‘Black Knight’ is a striking indoor plant characterised by its large, glossy leaves, which range from deep green to nearly black tones. This...

From$99.52
Coprosma 'Black Cloud' shrub in a garden with black and green foliage.
Coprosma 'Black Cloud' (Black Coprosma)

Coprosma 'Black Cloud' is a striking evergreen shrub valued for its deep near black foliage and compact growth habit. Well suited to New Zealand...

From$17.95
10-litre-plant-pots-
10 Litre Thermoformed Plant Pots

These lightweight pots are a cost effective means for growing on plants. They feature a strong and broad rim, have been UV stabilised for NZ...

From$5.76
black-polythene-2-m-wide-
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.

From$254.60
Black Doris' plums.
Plum Black Doris

The 'Black Doris' Plum is a popular variety that produces large and firm, purple-black fruit. The flesh is dark red, sweet, and juicy. White blossoms...

From$340.69
Camellia 'Black Magic' red flower.
Camellia Black Magic

Camellia 'Black Magic' is a dramatic evergreen shrub known for its deep red, almost black blooms and glossy green foliage. It delivers striking...

From$34.95
Photinia Black Jack dark red foliage.
Photinia 'Black Jack'

Photinia 'Black Jack' is a distinctive evergreen shrub valued for its deep red to burgundy new growth, glossy green mature foliage, and dense...

From$18.95
Prumnopitys taxifolia (Matai) juvenile tree growing as a specimen in a park.
Prumnopitys taxifolia (Matai)

Prumnopitys taxifolia, commonly known as Matai or Black Pine, is a stately, NZ native tree with quite different juvenile and adult forms. The...

From$309.51
camellia-japonica-black-tie-
Camellia 'Black Tie'

Camellia 'Black Tie' is a sophisticated evergreen shrub admired for its large formal deep red blooms and glossy dark green foliage. Flowering from...

From$28.95
camellia-japonica-black-lace-
Camellia 'Black Lace'

Camellia 'Black Lace' is a dramatic evergreen shrub admired for its deep velvety red blooms set against glossy dark green foliage. Flowering from...

From$34.95
Phormium 'Black Magic' plants in a large pot and featuring elegant, dark-coloured foliage.
Phormium 'Black Magic'

Phormium ‘Black Magic’ is a striking NZ flax prized for its deep purple black foliage and strong architectural form. This evergreen variety adds year...

OUT OF STOCK
Phormium Platts Black with black leaves in a garden.
Phormium 'Platts Black'

Phormium 'Platts Black' is a striking New Zealand native flax variety admired for its rich, dark purple to almost black foliage. This hardy evergreen...

OUT OF STOCK
Phormium tenax

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

Search black flax

What is Black Flax?

Black flax refers to a collection of darker-leaved cultivars from the Phormium genus, especially Phormium tenax and its hybrids, which are commonly known as New Zealand flax. These cultivars are bred for their deep, almost black foliage, bringing a modern twist to a classic native plant. Black flax varieties typically grow in clumps, with foliage ranging from glossy, jet-black to deep burgundy shades, and most will produce tall flower spikes in summer that attract native bellbirds and tui.

Popular Black Flax Varieties

Several cultivated forms of black flax are available for New Zealand gardeners:

All these varieties are derived from or related to the classic Phormium tenax, the iconic New Zealand flax from which many striking cultivars have been developed.

How to Grow and Use Black Flax

Black flax thrives in full sun to part shade and tolerates a wide range of soil types, from sandy coastal soils to heavy clay, provided drainage is reasonable. In landscaping, black flax shines as an architectural accent, in mass plantings for texture, or as a low-maintenance, drought-tolerant specimen in native and modern gardens alike. For smaller spaces, dwarf cultivars offer versatile options for pots and borders.

Care Tips

Why Choose Black Flax for Your Garden?

Choosing black flax allows you to create year-round structure, bold foliage contrast, and habitat for birds in your garden. With a range of cultivars such as Phormium 'Black Magic', Phormium 'Platts Black', Phormium 'Black Pepe' (Dwarf Black Flax), and Phormium 'Black Rage', there's a black flax to suit every style and scale of garden, bringing a touch of New Zealand's natural beauty to 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.

It’s easy to pick Lomandra Lime Tuff and Cereus tetragonus, but garden variety is all about adding surprises like Feijoa sellowiana, Santolina 'Lime Fizz', and Buxus 'Green Gem'.
–The Plant Company

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