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blue flax dianella caerulea

Blue flax Dianella caerulea, often celebrated for its striking blue-green foliage and vibrant blue berries, is a standout plant for New Zealand gardens. Known commonly as the Paroo Lily, this hardy, drought-tolerant native brings both beauty and function to a wide range of landscapes. With its grassy, strappy leaves and masses of delicate blue flowers, blue flax Dianella caerulea creates year-round interest and structure, making it a favourite among landscapers and home gardeners alike.

Dianella tasmanica (Tasman Flax Lily) plants with green foliage and blue flowers.

Dianella tasmanica

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Dianella tasmanica, commonly known as the Tasman Flax Lily, produces upright, strap-like leaves which are a rich, dark green and have a lush appearance. Flower stems rise above the foliage through spring to bear masses of delicate, blue flowers, which result in blue berries.

Suited to regions: All regions
Plant type: Flaxes
Height: 1.00 m
Spread: 1.00 m
Flowering time: Spring, Summer
Tolerances: Coastal, Hardy
Garden uses: Borders, Containers, Living areas, Paths & Steps, Pool areas
Garden styles: Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, 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 nigra plant with masses of blue berries.
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Phormium tenax plant in a garden with green foliage.
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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...

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

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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 cookianum

Phormium cookianum, commonly known as Mountain Flax or Wharariki, is a graceful New Zealand native valued for its arching green leaves and tall...

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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...

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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...

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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...

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

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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...

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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...

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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
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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...

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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

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

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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 '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
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 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
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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-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
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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-streetscape--1
Dianella 'Streetscape'

Dianella 'Streetscape' is a hardy Flax Lily selected for its tidy clumping habit, attractive strappy foliage, and reliable performance in demanding...

OUT OF STOCK
Dianella tasmanica 'Tasred' plants with lush green foliage in a border garden.
Dianella 'Tasred'

Dianella 'Tasred' is a hardy, evergreen flax lily characterised by its broad, green leaves, which often exhibit red or burgundy tones at the base...

OUT OF STOCK
Dianella tasmanica

Did you find what you are looking for?

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

Search blue flax dianella caerulea

Why Choose Blue Flax Dianella Caerulea for Your Garden

If you're searching for a reliable, low-maintenance plant, blue flax Dianella caerulea is an excellent choice. This versatile perennial thrives in both full sun and partial shade and tolerates a variety of soils, including coastal and sandy conditions. Its clumping growth habit helps with erosion control on banks and slopes, while also providing cover for wildlife. The attractive blue-purple flowers appear from late spring to summer, followed by clusters of gleaming blue berries that add a pop of colour outside the usual flowering season.

Ideal Uses for Blue Flax Dianella Caerulea

Whether you're looking to create a native planting scheme, add texture to mixed borders, or design a sustainable, low-water landscape, blue flax Dianella caerulea suits a broad range of settings. This plant works beautifully in mass plantings, along pathways, as a border, or in containers. It's often used in commercial landscapes for its resilience and minimal maintenance needs, but it's just as effective in residential gardens, where it can soften hard edges and provide year-round appeal.

Care Tips for Blue Flax Dianella Caerulea

One of the main reasons blue flax Dianella caerulea is so widely planted is its easy care nature. Once established, it rarely needs watering and generally resists pests and diseases. Simply remove old or damaged leaves to keep clumps tidy, and divide mature plants if you need to rejuvenate growth or expand your planting. Blue flax Dianella caerulea is also tolerant of light frost and coastal exposure, making it a dependable choice for a wide variety of New Zealand environments.

Related Dianella Varieties

If you're inspired by the timeless look of blue flax Dianella caerulea, you might also enjoy exploring other beautiful Dianella cultivars. Dianella caerulea (Paroo Lily) is a classic native option with similar characteristics. Dianella Lucia offers rich, dark foliage and a compact form, perfect for contemporary gardens. Dianella Goddess dazzles with bold colour and upright growth, while Dianella 'Little Jess' provides a dwarf version ideal for borders and pots. Don't forget Dianella brevipedunculata, another robust native with lush foliage and decorative berries.

Start Growing Blue Flax Dianella Caerulea

Bring lasting beauty and hardiness to your outdoor spaces with blue flax Dianella caerulea. Whether you're refreshing a modern garden, creating a native habitat, or seeking fuss-free greenery for commercial sites, this versatile plant delivers on all fronts. Explore Dianella caerulea (Paroo Lily) and other Dianella varieties to find the perfect match for your planting project.


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From trusted favourites like Corokia 'Geenty's Green' and Ficus Tuffi to fresh faces like Ophiopogon japonicus Nana, Cedrus deodara, and Clianthus Kaka King — we’ve got you covered.
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