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large flax

Looking for striking, robust foliage plants that make a big impact? Large flax is an iconic choice for gardens across New Zealand, prized for its dramatic upright leaves and exceptional adaptability. Whether you’re designing coastal landscapes, restoring native areas, or seeking a bold feature for your backyard, large flax offers a mix of size, resilience, and architectural beauty. With several cultivars available, there’s a large flax to suit every setting—plus, the added benefits of attracting wildlife and providing great erosion control.

Phormium cookianum

4.5 from 2 customers

Phormium cookianum, commonly known as Mountain Flax or Wharariki, is a graceful New Zealand native valued for its arching green leaves and tall flower spikes. It typically grows 1–1.5 metres tall and wide, making it ideal for borders, mass plantings, or coastal gardens.

From $14.95

Suited to regions: All regions
Plant type: Flaxes
Height: 1.50 m
Spread: 1.50 m
Flowering time: Summer
Tolerances: Coastal, Extended dry periods, Hardy, Wet, Wind
Garden uses: Banks, Living areas, Ponds
Garden styles: Backyard, City & Courtyard, Coastal, Frontyard, Modern, Native, Riparian
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.

From $7.50

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
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 '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 '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
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
Dianella 'Blaze' plants featuring stunning bronze-green foliage in a garden.
Dianella 'Blaze'

Dianella 'Blaze' is a striking flax lily grown for its colourful, strap like foliage that develops rich shades of green, bronze, and fiery red...

From$16.49
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-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...

From$16.49
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
Dianella Revelation plants growing in a garden.
Dianella 'Revelation'

Dianella 'Revelation' features flower stems that rise above the foliage through spring and summer to bear masses of delicate, blue flowers, which...

From$16.49
Callistemon 'Genoa Glory' shrub covered in pretty, red flowers.
Callistemon 'Genoa Glory' (Bottlebrush)

Callistemon 'Genoa Glory' is a striking bottlebrush variety known for its vivid crimson red flower spikes and lush evergreen foliage. Flowering from...

From$27.53
Callistemon citrinus (Red Bottlebrush) shrub covered in elegant, red flowers.
Callistemon citrinus (Lemon Scented Bottlebrush)

Callistemon citrinus (Crimson Bottlebrush) is a classic Australian shrub widely loved in New Zealand for its brilliant crimson red flower spikes and...

From$27.53
A Sophora chathamica tree growing in a garden with green foliage.
Sophora chathamica

Sophora chathamica (Coastal Kōwhai) is a stunning New Zealand native tree known for its masses of bright yellow flowers that appear in early spring...

From$323.65
Callistemon citrinus 'Red Cluster' small tree with masses of red, pendulous flowers.
Callistemon 'Red Cluster' (Red Bottlebrush)

Callistemon 'Red Cluster' is a striking bottlebrush variety valued for its clusters of vivid red flower spikes and dense evergreen foliage. Flowering...

From$37.19
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
Sophora tetraptera (Large-leaved Kowhai) yellow flowers.
Sophora tetraptera (Large Leaved Kōwhai)

Sophora tetraptera, commonly known as the Large Leaved Kowhai, is a striking New Zealand native tree admired for its bold foliage and spectacular...

From$24.15
Beschorneria 'Flamingo Glow' plant with pink flowers and foliage variegated green and yellow.
Beschorneria 'Flamingo Glow'

Beschorneria 'Flamingo Glow' is an architectural evergreen prized for its variegated sword like leaves washed with soft gold and green tones. In...

From$37.19
pb-95-planter-bags-
PB95 Planter Bags (Large Planter Bags)

PB95 Planter Bags are a strong and practical option for growing large trees, specimen shrubs, fruit plants, natives, and advanced nursery stock...

From$230.50
Libertia grandiflora plant with elegant white flowers and lush, dark green foliage.
Libertia grandiflora (NZ Iris)

Libertia grandiflora, commonly known as NZ Iris, is a hardy New Zealand native perennial admired for its elegant white flowers and sword like green...

From$16.50
Dianella 'Margaret Pringle' plant in a pot.
Dianella 'Margaret Pringle'

Dianella 'Margaret Pringle' bears spikes carrying delicate, blue flowers in spring, which are followed by small, blue berries in summer. These are...

From$20.63
A large Tilia platyphyllos tree in a park.
Tilia platyphyllos

Tilia platyphyllos (Large-Leaved Linden) is a magnificent deciduous tree admired for its large heart shaped leaves, fragrant pale yellow flowers, and...

From$515.35
pb-40-planter-bags-
PB40 Planter Bags (Tomato Grow Bag)

PB40 Planter Bags are a durable and practical option for growing large trees, shrubs, fruit plants, natives, and advanced nursery stock. Their...

From$121.64
pb-60-planter-bags-
PB60 Planter Bags (Bag For Xmas Tree)

PB60 Planter Bags are a strong and practical option for growing large trees, shrubs, fruit plants, natives, and advanced nursery stock. Their...

From$169.50
pb-28-planter-bags-
PB28 Planter Bags (Christmas Tree Bag)

PB28 Planter Bags are a durable and economical option for growing large trees, shrubs, fruit plants, natives, and other mature nursery stock. Their...

From$130.50
A stunning Cordyline 'Salsa' plant with pink and purple striped foliage.
Cordyline 'Salsa'

Cordyline 'Salsa' is a striking evergreen foliage plant valued for its colourful, sword shaped leaves and strong architectural form. The vibrant...

From$25.95
Cedrus atlantica (Atlantic Cedar) tree.
Cedrus atlantica

Cedrus atlantica, commonly known as the Atlantic Cedar, is a large and stately tree. It bears blue-green, needle-like foliage held on horizontal...

From$270.40
A Quercus robur (English Oak) specimen tree.
Quercus robur

Quercus robur, commonly known as the English Oak tree or Pedunculate Oak, is a large and stately, deciduous tree. This Oak tree typically grows to 25...

From$279.95
Dianella nigra plant with masses of blue berries.
Dianella nigra (New Zealand Blueberry)

Dianella nigra, commonly known as the New Zealand Blueberry or Tūrutu, is a NZ native that features lush foliage and glossy berries that vary in...

From$16.49
Phormium 'Cream Delight' plant in a garden.
Phormium 'Cream Delight' (Cream Delight Flax)

Phormium 'Cream Delight' is a variety of Flax that produces leaves that are variegated with dark green and cream. This variety grows to 1.3 m tall...

OUT OF STOCK
Phormium 'Rainbow Queen' flax plants for sale at The Plant Company nursery.
Phormium 'Rainbow Queen'

Phormium 'Rainbow Queen' is a variety of Flax that produces long, sword-like leaves that are bronze-green with pink-red margins. This variety...

OUT OF STOCK
Phormium 'Apricot Queen' orange, green, and yellow variegated foliage.
Phormium 'Apricot Queen'

Phormium 'Apricot Queen' is a stunning NZ flax variety valued for its arching leaves striped with apricot, cream, and green tones. This colourful...

OUT OF STOCK

Did you find what you are looking for?

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

Search large flax

What is Large Flax?

Large flax typically refers to varieties of Phormium—our beloved native flax. The most celebrated is Phormium tenax, also known as New Zealand flax, which grows into impressive clumps up to 3 metres tall. Its sword-shaped leaves create lush, vertical lines that are perfect for filling gaps and lending structure to any garden. Large flax is incredibly tough, enduring wind, salt spray, drought, and even frost, making it a staple in both rural and urban gardens throughout the country.

Popular Large Flax Varieties

These larger varieties of flax are perfect for statement plantings, privacy screens, or windbreaks. They thrive in full sun or partial shade and adapt well to a wide range of soils, including wet and dry areas.

Uses for Large Flax in New Zealand Gardens

Large flax isn’t just beautiful—it’s incredibly practical. Use it for: - Erosion control: The robust root system stabilises slopes and streambanks. - Shelter: Tall, dense foliage forms effective windbreaks and boundary screens. - Wildlife support: Nectar-rich flowers attract tui, bellbirds, and bees. - Feature planting: Large flax stands out as a focal point in native and contemporary gardens.

Pairing different large flax cultivars can create eye-catching textures and colour contrasts, enhancing your landscape design’s depth and interest.

Caring for Large Flax

Large flax is low maintenance. It’s best planted in well-drained soil, but will tolerate boggy conditions and coastal exposure. Prune damaged leaves at the base to keep plants tidy, and divide clumps every few years to encourage fresh growth. Feeding with a balanced fertiliser in spring will keep foliage vibrant.

Discover Your Ideal Large Flax

Whether your project is a backyard revamp, a large-scale restoration, or a coastal planting, large flax ticks all the boxes for beauty, durability, and versatility. Explore stunning options like Phormium tenax, Phormium 'Moonraker' (Moonraker Flax), Phormium 'Licorice and Lime' (Licorice and Lime Flax), Phormium 'Cream Delight' (Cream Delight Flax), or Phormium 'Purple Haze' (Purple Flax Plant) to bring enduring structure and style to your landscape.

Ready to elevate your space? Browse our large flax collection and transform your garden with NZ’s most iconic foliage plant.

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.

Illustration of plant leaves.
Coprosma acerosa and Photinia 'Red Robin' are beloved staples, but Sophora tetraptera (Large Leaved Kōwhai), Cistus salviifolius, and Iris 'Rose Queen' bring fresh energy to any planting scheme.
–The Plant Company

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