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dianella blue flax

Dianella blue flax is a sought-after native plant in New Zealand gardens, prized for its striking blue-green foliage and hardy nature. Often called the blue flax lily, this versatile perennial is perfect for low-maintenance landscapes, contemporary borders, and mass plantings. Its slender leaves bring texture and colour all year round, while subtle blue-mauve flowers followed by decorative berries add seasonal interest. If you’re searching for a tough, attractive plant that thrives in a range of conditions, dianella blue flax is an excellent choice.

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 result in blue berries. This NZ Flax Lily features narrow, grass-like foliage that is dark green and held densely, growing to 60 cm tall and the same width.

Suited to regions: All regions
Plant type: Flaxes
Height: 60 cm
Spread: 60 cm
Flowering time: Spring, Summer
Tolerances: Coastal, Extended dry periods, Hardy
Garden uses: Borders, Containers, Living areas, Paths & Steps, Ponds, Pool areas
Garden styles: Backyard, City & Courtyard, Coastal, Frontyard, Modern
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. Delicate blue flowers appear during spring and early summer, followed by attractive blue berries that extend the seasonal display.

Suited to regions: All regions
Plant type: Flaxes
Height: 60 cm
Spread: 40 cm
Flowering time: Spring
Tolerances: Extended dry periods, Wet
Garden uses: Borders, Containers, Living areas, Paths & Steps, Ponds, Pool areas
Garden styles: Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Mediterranean, Modern
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
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$17.95
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$12.95
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$7.50
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
A large Phormium 'Dark Delight' plant with elegant, purple foliage.
Phormium 'Dark Delight'

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...

From$17.95
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$12.95
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$12.95
Large Jacaranda mimosifolia tree with blue flowers.
Jacaranda mimosifolia (Blue Jacaranda)

Jacaranda mimosifolia, commonly known as the Blue Jacaranda tree, is a tropical-looking tree that is widely planted because of its beautiful and...

From$323.65
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
A Rosemary 'Blue Lagoon' shrub with blue flowers in a mixed planting.
Rosmarinus 'Blue Lagoon'

Rosmarinus ‘Blue Lagoon’ is a hardy, evergreen shrub prized for its aromatic foliage and vibrant deep blue flowers. Blooming from late winter through...

From$22.01
Wisteria 'Blue Sapphire' cluster of colourful blue flowers.
Wisteria 'Blue Sapphire'

Wisteria ‘Blue Sapphire’ is a stunning flowering climber prized for its long elegant racemes of rich blue violet flowers that appear in spring. This...

From$29.95
phlebodium-blue-star-
Phlebodium aureum Blue Star (Blue Star Fern)

The Blue Star Fern features wavy leaves that are a blue-green colour. This popular indoor plant grows as a clump to about 30 cm tall and the same...

From$38.57
An upright Rosemary 'Tuscan Blue' shrub with blue flowers in a Mediterranean themed garden.
Rosmarinus 'Tuscan Blue'

The 'Tuscan Blue' Rosemary is a fast-growing and upright variety that features petite, sky-blue flowers borne amidst the dark green leaves through...

From$22.01
dichroa-blue-stars--1
Dichroa Blue Stars (Evergreen Hydrangea)

Dichroa 'Blue Stars' is a striking evergreen shrub admired for its clusters of intense blue star shaped flowers followed by brilliant metallic blue...

From$30.29
Lavender 'Sensation Blue' shrub with purple flowers above dark green foliage.
Lavender 'Sensation Blue'

Lavender 'Sensation Blue' is a standout lavender variety admired for its deep blue purple blooms and aromatic grey green foliage. Flowering from...

From$25.53
cupressus-blue-ice-4
Cupressus 'Blue Ice' (Blue Arizona Cypress)

Cupressus 'Blue Ice' is a striking evergreen conifer admired for its vibrant icy blue foliage and strong upright growth habit. This hardy tree...

From$270.40
Agapanthus 'Blue Finn' blue flower.
Agapanthus 'Blue Finn'

Agapanthus 'Blue Finn' is a compact, evergreen variety prized for its deep blue blooms and tidy, clumping habit. This hardy perennial adds a burst of...

From$22.95
eucalyptus-baby-blue-2
Eucalyptus 'Baby Blue' (Silver Gum)

Eucalyptus 'Baby Blue' is a highly popular evergreen tree admired for its stunning silver blue foliage and strong ornamental appeal. The rounded...

From$408.85
Podocarpus 'Matapouri Blue' hedge.
Podocarpus 'Matapouri Blue' (Blue Tōtara)

Podocarpus ‘Matapouri Blue’, also known as Blue Totara, is a stunning New Zealand native tree prized for its striking blue-green foliage and tidy...

From$30.29
Pittosporum 'Wrinkled Blue' speciment tree.
Pittosporum 'Wrinkled Blue'

Pittosporum ‘Wrinkled Blue’ is an attractive, upright evergreen tree known for its distinctive blue-grey foliage and dense, columnar growth habit...

From$22.01
Blueberry 'Powder Blue' blue berries with lush, green foliage.
Blueberry 'Powder Blue'

Blueberry 'Powder Blue' is a late season blueberry variety valued for its sweet flavour, firm berries, and extended harvest period. This reliable...

From$30.29
Dianella 'Blutopia' large plant in a garden.
Dianella 'Blutopia'

Dianella 'Blutopia' is a striking flax lily prized for its vivid blue grey strap like foliage that provides outstanding year round colour and...

OUT OF STOCK
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...

OUT OF STOCK
Dianella caerulea plants with blue flowers.
Dianella caerulea (Paroo Lily)

Dianella caerulea, commonly known as the NZ Flax Lily or Paroo Lily, is an herbaceous perennial that bears spikes carrying delicate blue and yellow...

OUT OF STOCK
Dianella intermedia plant with blue berries.
Dianella intermedia

Dianella intermedia is a hardy evergreen flax lily valued for its upright blue green foliage, delicate blue flowers, and attractive purple blue...

OUT OF STOCK
dianella-caerulea-goddess-
Dianella 'Goddess'

Dianella 'Goddess' is a striking evergreen flax lily grown for its elegant arching blue green foliage that provides year round colour and texture...

OUT OF STOCK
Dianella revoluta 'Blue Twist' plant.
Dianella 'Blue Twist'

Dianella 'Blue Twist' is an attractive flax lily valued for its arching blue grey foliage that forms a neat clump and provides year round colour...

OUT OF STOCK
dianella-blue-stream-
Dianella 'Blue Stream'

Dianella 'Blue Stream' is an attractive NZ Flax Lily grown for its broad, upright, powder blue foliage and tidy clumping habit. The distinctive...

OUT OF STOCK
dianella-tasmanica-variegata-3
Dianella tasmanica 'Variegata'

Dianella tasmanica 'Variegata', commonly known as Variegated Flax Lily, is a hardy evergreen perennial prized for its elegant green leaves with...

OUT OF STOCK
Dianella 'Revelation'

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

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Features and Benefits of Dianella Blue Flax

Dianella blue flax stands out for its adaptability and resilience. It tolerates drought, wind, and coastal exposure, making it ideal for New Zealand’s variable climate. Mature clumps reach up to 1 metre high and wide, creating a bold visual impact in gardens. The tidy, upright foliage not only looks beautiful but also suppresses weeds. Dianella blue flax requires little maintenance—just occasional trimming of old leaves and berries—making it a favourite for busy gardeners.

How to Grow Dianella Blue Flax in Your Garden

To get the best results from your dianella blue flax, plant in well-drained soil in either full sun or partial shade. This plant flourishes in both urban and rural settings and is perfect for tough spots like embankments, roadside plantings, and coastal gardens. Water regularly during establishment, then reduce watering as the plant matures. Dianella blue flax is generally pest and disease-free, so you can enjoy its beauty without worry.

Landscaping Uses for Dianella Blue Flax

Dianella blue flax offers endless design possibilities. Use it as a border along pathways, create striking groupings in large garden beds, or combine it with native grasses for a natural effect. Its foliage contrasts nicely with bold-leaved plants and provides year-round structure. For even more colour and texture, try mixing dianella blue flax with other Dianella varieties such as Dianella brevipedunculata, Dianella 'Little Rev', or Dianella 'Little Jess'. These relatives have unique growth habits and shades of foliage, enhancing your garden’s appeal.

Explore Other Dianella Varieties

If you love dianella blue flax, you’ll find other Dianella options to suit different spaces in your garden. Dianella caerulea (Paroo Lily) is a reliable performer with beautiful blue berries and a more upright habit. Dianella Lucia is another stunning variety, known for its rich green foliage and tolerance to shade. Explore our range to discover the perfect Dianella for your landscape.

Why Choose Dianella Blue Flax for New Zealand Gardens?

Dianella blue flax is a fantastic, fuss-free choice for both urban and rural gardens. Its striking colour, neat form, and enduring toughness make it a top pick for landscapers and home gardeners alike. Whether you’re refreshing existing beds or planting a new space, dianella blue flax will deliver lasting visual interest and reliable performance. For more inspiration and related varieties, browse Dianella brevipedunculata, Dianella 'Little Rev', Dianella 'Little Jess', Dianella caerulea (Paroo Lily), and Dianella Lucia to enhance your garden with proven natives.


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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.

From trusted favourites like Corokia 'Mangatangi' and Avocado 'Reed' to fresh faces like Camellia Slimline Avalanche, Chaenomeles 'Double Take Orange', and Prunus blireiana — we’ve got you covered.
–The Plant Company

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