Call us: 0800 843 752Free shipping for orders $150 or over
Gift Vouchers

phormium cookianum purpureum

Phormium cookianum purpureum, also known as Purple Flax, is a striking New Zealand native that offers deep purple foliage and a graceful, arching habit. This varietal creates year-round impact in gardens, borders, or containers, providing a unique palette for landscape designers and homeowners alike. With resilience to wind, coastal conditions, and drought, Purple Flax is ideal for gardeners seeking low-maintenance, architectural plants that thrive across the country.

Phormium cookianum purpurea

Phormium cookianum 'Purpurea' is a variety of Flax with long, sword-like, purple leaves. This variety typically grows to 1.5 m tall and the same width, with a tidy and compact habit. Phormium cookianum 'Purpurea' makes a fantastic addition to mixed plantings and borders, and is well-suited for coastal gardens. It can also be used to accentuate water features, such as ponds and streams, or grown around pool and barbecue areas.

A large and colourful Phormium cookianum 'Purpurea' plant.
  • 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, Pool areas
  • Garden styles:
    Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern, Native, Riparian
A large Phormium 'Evening Glow' plant in a garden.
Most Popular

Phormium 'Evening Glow'

Phormium 'Evening Glow' is a variety of Flax that produces long and broad, sword-like leaves that are coloured various shades of pink and red with a...

From$20.93
Phormium 'Green Dwarf' flax plant in a native garden with Oioi plants.
Most Popular

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$16.13
Phormium 'Emerald Gem' in a native garden.
Most Popular

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$16.13
A large Phormium 'Jester' plant with colourful foliage.
Most Popular

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$24.23
Phormium 'Surfer' plants in pots for sale at The Plant Company nursery.
Most Popular

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$18.23
Dianella revoluta 'Little Rev' plants in a garden.
Most Popular

Dianella 'Little Rev'

Dianella 'Little Rev' is a compact, clump-forming evergreen known for its striking blue-grey foliage and architectural form. This Blue Flax-Lily...

From$20.18
phormium-veneer-
Most Popular

Phormium 'Veneer'

Phormium Veneer is a colourful and very popular NZ native flax that features striking orange and brown stripes. It grows as a very tidy clump to...

From$20.18
phormium-chocomint--2
Most Popular

Phormium 'Chocomint'

Phormium Chocomint is a popular variety of Flax owing to its colourful foliage which brown with green stripes. It grows to 1 m tall and wide in full...

From$24.23
A mass planting of Dianella caerulea 'Little Jess' plants with lush, green foliage.
Most Popular

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$18.83
Phormium 'Jack Spratt' plants for sale at The Plant Company nursery.
Most Popular

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$18.23
Phormium cookianum purpurea

Did you find what you are looking for?

You might be interested in exploring Phormium or Flaxes.

Search Phormium cookianum purpurea

Features of Phormium cookianum purpureum

Phormium cookianum purpureum stands out for its rich, purple-toned leaves, distinguishing it from the more common green or bronze flax varieties. Mature plants form compact clumps, typically reaching 1–1.2 metres tall and wide, making them perfect for smaller gardens, urban spaces, or as a feature plant amongst larger specimens. The fine-textured foliage offers movement and softness, contrasting beautifully with hard landscaping or mixed plantings.

This cultivar is admired for its year-round foliage colour, which intensifies in cooler months. During summer, Phormium cookianum purpureum may produce slender flower stems with tubular blooms, attracting native birds like tūī and silvereyes. Its evergreen habit ensures your garden remains vibrant throughout the seasons.

Ideal Uses in New Zealand Gardens

Whether you’re planting a contemporary landscape, a native garden, or enhancing your coastal retreat, Phormium cookianum purpureum delivers versatility and style. It works beautifully as a focal point, en masse for bold texture, or alongside other natives for layered interest. Consider pairing Purple Flax with green-leaved varieties such as Phormium 'Green Dwarf' or dazzling tones like Phormium 'Evening Glow' for contrasting colour and structure.

Purple Flax is well-suited for erosion control and bank stabilization, thanks to its robust root system. Its tolerance of salt-laden winds makes it a favourite for coastal gardens, while adaptability to urban conditions invites creative placement in courtyards and patios. For mixed plantings, try combining with Phormium 'Emerald Gem', Phormium 'Jester', or low-growing options like Phormium 'Jack Spratt'.

Growing and Caring for Purple Flax

Phormium cookianum purpureum thrives in full sun to part shade, preferring well-drained soils. Once established, it requires minimal maintenance and is highly drought-tolerant. Water young plants regularly during their first year and mulch to retain soil moisture. This flax responds well to pruning—remove older leaves at the base to keep clumps tidy and encourage fresh growth.

For extended interest, partner Purple Flax with complementary foliage plants such as Beschorneria yuccoides 'variegata', Dianella Emerald Arch, or Dianella 'Little Jess'. If you’re seeking bold colour, try pairing with Phormium 'Red Dwarf' or surf-inspired Phormium 'Surfer'.

Why Choose Phormium cookianum purpureum?

With its dynamic purple foliage, adaptability, and ease of care, Phormium cookianum purpureum is a top choice for New Zealand gardens of any style. Use Purple Flax to create structure, movement, and vibrant year-round colour, knowing it will thrive in both challenging and easy garden spots. Explore our range of flax and companion plants to design your dream landscape with the enduring beauty of Purple Flax.


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.

–The Plant Company

Explore Garden Inspiration

Sign up to receive a free $10 Voucher You won’t be bombarded with emails, just titbits of quality information from time to time Sign up
Free shipping on orders over $150!

Join our community of happy customers.

4.9

429 Google reviews