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silver flax

Silver flax is a striking native plant treasured in New Zealand gardens for its shimmering foliage and architectural form. With its elegant, silvery leaves, silver flax offers both visual impact and versatility, making it a favourite for landscaping, container plantings, and low-maintenance gardens. This resilient species stands out in coastal gardens, urban landscapes, and as a dramatic feature in mixed borders. If you're searching for a plant that combines beauty, adaptability, and Kiwi flair, silver flax is an excellent choice.

Large Black Rage Phormium in a garden with black foliage.

Phormium 'Black Rage'

5 from 2 customers

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 dramatic and architectural plant adds instant impact to gardens, providing colour contrast and strong vertical form. Hardy and versatile, it thrives in a range of NZ conditions, from coastal to urban settings. Phormium 'Black Rage' is the perfect choice for gardeners wanting a low maintenance yet eye catching feature.

Suited to regions: All regions
Plant type: Flaxes
Height: 80 cm
Spread: 80 cm
Flowering time: Summer
Tolerances: Coastal, Extended dry periods, Hardy, Wet, Wind
Garden uses: Borders, Containers, Living areas, Parks, Paths & Steps, Ponds, Pool areas, Specimen
Garden styles: Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern, Native, Riparian
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. Dianella 'Revelation' is commonly mass-planted either as a groundcover or on a bank, included in borders or mixed plantings, planted around the base of large trees, grown around water features such as streams and ponds, or featured in cottage gardens.

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
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 '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
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$12.95
crassula-arborescens-4
Crassula arborescens

Crassula arborescens, commonly known as the Silver Jade Plant or Silver Dollar Jade, is a succulent grown for its interesting and colourful foliage...

From$28.91
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
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$159.95
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 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$9.95
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Pittosporum 'Silver Pillar'

Pittosporum 'Silver Pillar' is a striking evergreen shrub valued for its narrow upright growth habit and attractive silver green foliage. This...

From$22.01
A fabulous Convolvulus cneorum plant with grey foliage and masses of white flowers.
Convolvulus cneorum

Convolvulus cneorum Silver Bush is a striking compact shrub valued for its silvery foliage and masses of bright white funnel shaped flowers. This sun...

From$20.63
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...

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-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
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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
Buxus 'Silver Beauty' plant with dark green and yellow variegated foliage.
Buxus sempervirens 'Silver Beauty' (Silver Boxwood)

Buxus sempervirens 'Silver Beauty', commonly known as Box Hedge, features small leaves that are dark green with irregular, cream-silver margins, and...

From$99.95
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Heuchera 'Northern Exposure Silver'

Heuchera 'Northern Exposure Silver' is a stunning perennial prized for its large silver foliage accented with dark veining and its exceptional garden...

From$20.63
Pittosporum 'Silver Sheen' bushy plants in pots.
Pittosporum 'Silver Sheen'

Pittosporum 'Silver Sheen' is a fast-growing, evergreen shrub admired for its delicate, silvery-green foliage and airy appearance. Ideal for hedging...

From$206.50
Ophiopogon japonicus Silver Mist grass in a garden.
Ophiopogon 'Silver Mist' (Silver Mondo Grass)

Ophiopogon 'Silver Mist' is a dwarf silver Mondo Grass, and features fine, grass-like foliage that is variegated dark green and white. It typically...

From$6.95
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 '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$9.95
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
dymondia-margaretae-2
Dymondia margaretae

Dymondia margaretae (Silver Carpet) is a hardy low growing groundcover valued for its attractive silver green foliage and dense spreading habit. This...

From$13.95
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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
Hedera 'Silver Variegata' dark green and cream variegated foliage.
Hedera 'Silver Variegated'

Hedera ‘Silver Variegated’ is a striking evergreen ivy with silvery-green leaves edged in creamy white. Its elegant variegation brightens shaded...

From$14.95
Camellia Silver Dollar, elegant, double, white flower.
Camellia Silver Dollar

Camellia 'Silver Dollar' is an elegant evergreen shrub known for its pristine white flowers and glossy green foliage. It brings timeless beauty to...

From$32.95
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
Astelia fragrans (Bush Flax) plant with lush green foliage growing beside a track.
Astelia fragrans (Bush Flax)

Astelia fragrans, commonly known as Bush Flax or Kakaha, is a hardy, clump-forming native plant of New Zealand. It features long, arching green...

OUT OF STOCK
Aglaonema Silver Queen plants.
Aglaonema Silver Queen (Silver Queen Plant )

Aglaonema Silver Queen, commonly known as the Silver Queen Plant or Chinese Evergreen, features broad leaves are a mix of silver and dark green in a...

OUT OF STOCK
Large Astelia Silver Shadow plant with flax-like, silver and green coloured leaves.
Astelia 'Silver Shadow'

Astelia 'Silver Shadow' is a distinctive plant with its sword-shaped, silver foliage. The leaves have a graceful arch, which makes for an attractive...

OUT OF STOCK
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Lomandra Silver Grace

Lomandra Silver Grace is a resilient, evergreen ornamental grass featuring fine, silver-blue foliage with a graceful arching habit. Forming neat...

OUT OF STOCK
Phormium 'Black Rage'

Did you find what you are looking for?

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

Search silver flax

What is Silver Flax?

Silver flax, often used to describe certain cultivars of New Zealand flax (Phormium) with silvery-grey leaves, brings a unique colour and texture to the garden. Its upright, sword-shaped foliage adds both height and movement, reflecting sunlight and making borders shine. Adapted to a wide range of conditions, silver flax is hardy, drought-tolerant, and thrives in both full sun and partial shade. Whether used as a stand-alone specimen or in mass plantings, silver flax helps create a modern, coastal, or native-inspired look.

Uses in the Garden

Silver flax delivers multiple benefits for Kiwi gardens. Its colour and form offer year-round interest, making it a reliable option for structure and contrast. It’s ideal for:

For gardeners wanting to mix different textures, consider pairing silver flax with other native flaxes like Astelia fragrans (Bush Flax), or with striking foliage plants such as Dianella 'Revelation' and Phormium 'Surfer Bronze'. These combinations bring layers of colour and visual interest.

Plant Care and Growing Tips

Silver flax is appreciated for its low-maintenance nature. It grows best in well-drained soils and enjoys regular watering until established. Once mature, it tolerates dry spells and needs little intervention. An occasional tidy-up—removing older leaves and spent flower stems—keeps plants looking fresh. Fertilising in spring, especially in containers, supports healthy growth and vibrant foliage. In colder zones, silver flax tolerates light frost, but mulching in winter is recommended.

Companion Plants for Silver Flax

Enhance your planting scheme by pairing silver flax with other foliage and grass-like plants. Native grasses such as Isolepis cernua (Fiber-Optic Grass) add playful texture, while broad-leaved indoor plants like Aglaonema Silver Queen (Silver Queen Plant ) echo silvery hues for a stylish transition from outdoor beds to shaded patios. For extra drama and durability, combine silver flax with landscape favourites like Phormium 'Surfer Bronze'.

Why Choose Silver Flax?

Choosing silver flax means investing in a hardy, visually captivating plant that embodies New Zealand’s natural beauty. Its striking foliage transforms gardens year-round while offering practical benefits like low upkeep and resilience. Whether used as a statement feature or in mixed native plantings, silver flax is a timeless addition to any Kiwi landscape.

Explore our range of native flaxes and companion plants to inspire your next garden project.


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.

There’s more to explore beyond Corokia 'Mangatangi' and Avocado 'Reed' — like the subtle beauty of Sequoiadendron giganteum, Cornus 'Stokes Pink', and Phaseolus caracalla.
–The Plant Company

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