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growing flax

Growing flax is an excellent way to add structure, colour, and movement to your New Zealand garden. Flax, or Phormium, is a remarkable native plant that thrives in a variety of conditions, from coastal plots to urban landscapes. With their architectural foliage and robust nature, flaxes are a favourite for gardeners looking to create low-maintenance but visually stunning spaces. Whether you’re establishing a new border or enhancing an existing garden bed, understanding how to grow and care for flax can transform your outdoor area with ease.

Phormium cookianum

5 from 1 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. In summer, it produces yellow to orange tubular flowers that attract birds and pollinators. Hardy and tolerant of wind, salt, and poor soils, Wharariki thrives in full sun to part shade.

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
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
Phormium tenax plant in a garden with green foliage.
Phormium tenax

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...

From$15.11
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$15.87
A large Phormium 'Jester' plant with colourful foliage.
Phormium 'Jester'

Phormium 'Jester' is a showy variety of Flax that produces leaves that are striped with a broad, pink central band and a dark purple border. This...

From$21.39
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$17.25
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$21.39
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$18.63
dianella-revoluta-kentlyn--2
Dianella Kentlyn

Dianella Kentlyn is a variety of the commonly known, Flax Lily, produces upright, strap-like leaves which are a rich, dark green with a blue...

From$16.49
phormium-stripy-mist-
Phormium 'Stripy Mist'

Phormium 'Stripy Mist' is an attractive New Zealand flax valued for its beautifully variegated foliage featuring soft green leaves striped with...

From$21.39
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$18.63
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$340.69
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$18.63
dianella-caerulea-goddess-
Dianella Goddess

Dianella Goddess is a variety of the commonly known, NZ Flax Lily, and produces upright, strap-like leaves which are a rich, dark green with a blue...

From$20.63
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$18.63
A mass planting of Dianella caerulea 'Little Jess' plants with lush, green foliage.
Dianella 'Little Jess'

Dianella 'Little Jess' is a variety of NZ Flax Lily that bears spikes carrying delicate, blue flowers in spring above lush, mid-green leaves. Small...

From$20.63
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
Dianella revoluta 'Little Rev' plants in a garden.
Dianella 'Little Rev'

Dianella 'Little Rev' (Blue Flax Lily) is a compact and hardy ornamental grass like plant valued for its attractive blue green foliage and tidy...

From$15.87
potting-media-
Nursery Grade Growing Media

The Plant Company growing media is top of the line and used by the best commercial nurseries. This blend has been developed over many years to...

From$29.75
pb-28-planter-bags-
PB28 Planter Bags (Growing Bag)

These PB28 planter bags are 125 microns thick and each bag holds 12 litres of potting mix. They are durable and won’t rip which makes them great for...

From$130.50
pb-8-planter-bags-1
PB8 Planter Bags (Potting Bags For Plants)

These PB8 planter bags are 125 microns thick and hold 4.5 litres of potting mix. They are durable and won’t rip which makes them great for handling...

From$51.69
pb-12-planter-bags-
PB12 Planter Bags (Grow Bags For Plants)

These PB12 planter bags are 125 microns thick and hold 6.75 litres of potting mix. They are durable and won’t rip which makes them great for...

From$57.76
pb-3-planter-bags-1
PB3 Planter Bags (Grow Bags Online)

These PB3 planter bags are 80 microns thick and hold 1.8 litres of potting mix. They are durable and won’t rip which makes them great for handling...

From$29.08
pb-65-planter-bags-
PB6.5 Planter Bags (Grow Bags On Line)

These PB6.5 planter bags are 100 microns thick and hold 3.6 litres of potting mix. They are durable and won’t rip which makes them great for...

From$44.86
35-litre-planter-bags-4
35L Planter Bags (Growing Bags)

These 35L planter bags have two handles and hold 35 litres of growing media. They are durable and won’t rip which makes them great for handling and...

From$8.93
Large Astelia chathamica in a garden with silver flax-like leaves.
Astelia chathamica (Chatham Island Astelia)

Astelia chathamica, commonly known as the Chatham Island Astelia or Kakaha, produces broad, erect, silver-green leaves. The leaves are held with a...

From$266.14
pb-18-planter-bags-
PB18 Planter Bags (Grow Plant Bags)

These PB18 planter bags are 125 microns thick and each bag holds 10 litres of potting mix. They are durable and won’t rip which makes them great for...

From$77.47
pb-60-planter-bags-
PB60 Planter Bags (Garden Grow Bags)

These PB60 planter bags are 150 microns thick and each bag holds 36 litres of potting mix. They are durable and won’t rip which makes them great for...

From$169.50
pb-95-planter-bags-
PB95 Planter Bags (Growing Bags Near Me)

These PB95 planter bags are 240 microns thick and each bag holds 50 litres of potting mix. They are durable and won’t rip which makes them great for...

From$230.50
pb-40-planter-bags-
PB40 Planter Bags (Growbag)

These PB40 planter bags are 125 microns thick and each bag holds 18 litres of potting mix. They are durable and won’t rip which makes them great for...

From$121.64
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$19.25

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Astelia Dianella and Phormium, or related Categories - Growing media Planter Bags and Flaxes.

Search growing flax

Why Choose Flax for Your Garden?

Flaxes are renowned for their versatility and resilience. They tolerate wind, drought, and even coastal exposure, making them ideal for New Zealand’s varied climates. Their striking sword-like leaves provide year-round interest, while many varieties also offer seasonal flower spikes that attract native birds and pollinators. Flax comes in a wide range of colours and sizes, allowing you to choose cultivars that fit any garden design. Options like Phormium 'Moonraker' (Moonraker Flax) and Phormium 'Wildwood' (Wildwood Flax) feature stunning foliage that will stand out in both formal and informal settings.

Tips for Growing Flax Successfully

Flax is known for being easy to grow, but a few key tips will ensure your plants thrive:

Popular Flax Varieties for New Zealand Gardens

With so many cultivars available, you can find a flax variety to enhance any landscape. For bold, creamy-green foliage, consider Phormium 'Cream Delight' (Cream Delight Flax). If you love deep hues, Phormium 'Anna Red' (Anna Red Flax) adds drama with its rich burgundy leaves. Those seeking a striking contrast will enjoy Phormium 'Licorice and Lime' (Licorice and Lime Flax), which features vibrant lime and dark accents.

Frequently Asked Questions About Growing Flax

How long does it take for flax to establish?
Most flax varieties establish within their first year, especially with some mulch and occasional watering during dry spells.

Can flax be grown in pots?
Yes. Choose a spacious pot with good drainage. Compact cultivars are especially well-suited for containers.

When should I divide or move flax?
Divide larger clumps in winter or early spring. This rejuvenates the plant and provides new specimens for your garden.

Growing flax is rewarding, whether you’re a seasoned gardener or just discovering the beauty of native New Zealand plants. With minimal care required and a stunning range of foliage options, flax is a reliable choice for gardens of all shapes and sizes.


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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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