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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: 65 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: 60 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 '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
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
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
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 '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-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
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
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
Festuca coxii (Blue Fescue) grass growing in a garden.
Festuca coxii (Blue Fescue)

Festuca coxii, commonly known as Blue Fescue, is a hardy NZ native, ornamental grass that features fine, blue foliage. Straw-coloured seed heads...

From$14.49
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
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$37.19
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
Pimelea prostrata 'Blue Peter' plants with fine and elegant, blue foliage.
Pimelea prostrata 'Blue Peter'

Pimelea prostrata 'Blue Peter', commonly known as Pinatoro or the NZ Daphne plant, is a mat-forming, NZ native, ground cover plant. It has small...

From$19.95
festuca-banks-peninsula-blue-1
Festuca 'Banks Peninsula Blue' (Blue Fescue Grass)

Festuca 'Banks Peninsula Blue' is a striking ornamental grass valued for its fine, steel blue foliage that forms neat, compact clumps. This hardy...

From$14.49
hydrangea-macrophylla-blue-wave-2
Hydrangea 'Blue Wave'

Hydrangea 'Blue Wave' is a stunning lacecap hydrangea known for its vibrant blue flower centres surrounded by delicate outer florets. Flowering...

From$36.95
hydrangea-serrata-blue-deckle-1
Hydrangea 'Blue Deckle'

Hydrangea 'Blue Deckle' is a refined lacecap hydrangea valued for its delicate blue flower centres surrounded by pale outer florets. Flowering...

From$27.95
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
Aquilegia Blue Barlow cluster of blue flowers.
Aquilegia 'Blue Barlow' (Columbine)

Aquilegia 'Blue Barlow' is a classic perennial admired for its elegant double deep blue flowers that appear in late spring and early summer. This...

From$30.29
Nepeta 'Blue Wonder' plant with blue flowers.
Nepeta 'Blue Wonder' (Catmint)

Nepeta 'Blue Wonder' is a compact catmint with aromatic silvery green foliage and rich blue flower spikes through the warmer months. The rounded...

From$17.87
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
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Hosta 'Blue Mouse Ears'

Hosta 'Blue Mouse Ears' is a compact perennial prized for its rounded blue green foliage and tidy growth habit. It is an excellent choice for adding...

From$24.77
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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
Salvia 'Aztec Blue' plants with elegant blue flowers above green foliage.
Salvia 'Aztec Blue'

Salvia 'Aztec Blue' is an eye catching perennial admired for its bold cobalt blue flower spikes that bloom heavily from late spring through autumn in...

From$27.53
juncus-blue-dart-
Juncus 'Blue Dart' (Blue Rush)

Juncus 'Blue Dart' is a striking ornamental rush prized for its upright blue green foliage and strong architectural form. This hardy evergreen plant...

From$18.29
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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
Westringia 'Blue Gem' low hedge with elegant mauve coloured flowers.
Westringia 'Blue Gem'

Westringia 'Blue Gem' is a hardy evergreen shrub admired for its fine grey green foliage, naturally dense rounded habit, and masses of soft blue...

From$18.95
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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
Thuja orientalis 'Blue Cone' shrubs with green foliage in pots.
Thuja orientalis 'Blue Cone'

Thuja orientalis 'Blue Cone' is a dwarf conifer that features dense and erect sprays of green foliage. It gets its name from the blue cones produced...

From$289.95
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 Buxus sempervirens (Boxwood) and Gardenia radicans to fresh faces like Buddleia 'Lochinch', Ligustrum 'Rotundifolium', and Libertia grandiflora (NZ Iris) — we’ve got you covered.
–The Plant Company

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