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dianthus height

Curious about dianthus height? Whether you're planting a cottage garden, creating borders, or looking for fragrant additions to pots, understanding how tall your dianthus will grow helps you plan the perfect garden display. These hardy, colourful perennials are beloved in New Zealand for their low maintenance and long flowering season—but their size can vary depending on the variety you choose.

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Dianthus 'King of the Blacks'

5 from 2 customers

Dianthus 'King of the Blacks' is a striking perennial known for its deep velvety red to near black flowers that create dramatic contrast in New Zealand gardens. Flowering through spring and summer, it provides long lasting colour and fragrance.

From $20.63

Suited to regions: Subtropical, Temperate
Plant type: Perennials
Height: 40 cm
Spread: 50 cm
Flowering time: Spring
Garden uses: Borders, Containers, Living areas, Paths & Steps, Pool areas
Garden styles: Backyard, City & Courtyard, Frontyard, Japanese, Mediterranean, Modern
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Dianthus Memories

Dianthus Memories is a scented variety of Carnation that features masses of double, white, highly fragrant flowers. These stunning flowers are produced from spring through until late summer on short stems that rise above the foliage.

From $16.49

Suited to regions: Subtropical, Temperate
Plant type: Perennials
Height: 30 cm
Spread: 30 cm
Flowering time: Spring, Summer
Garden uses: Borders, Containers, Living areas, Paths & Steps, Patios, Pool areas
Garden styles: Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
A lagre Podocarpus totara tree about 150 years of age.
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Podocarpus totara 'Aurea' tree with yellow foliage.
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Lomandra 'Katrinus Deluxe' plant with lush, dark green foliage.
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Buxus sempervirens perfectly manicured balls.
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Francoa 'Flower Girl'

Francoa 'Flower Girl' is a graceful perennial that produces elegant spikes of delicate flowers from late spring through summer. Its attractive clumps...

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Cordyline australis albertii plants with variegated foliage.
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Cordyline albertii (Variegated Cabbage Tree) is a striking evergreen tree admired for its bold green leaves edged with creamy white variegation. This...

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Cordyline australis trees growing as a cluster.
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Cordyline australis, also known as the Cabbage Tree or tī kōuka, is a hardy and iconic New Zealand native. It features long, sword-like green leaves...

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Thuja occidentalis 'Smaragd' hedge with bright green foliage.
Thuja occidentalis 'Smaragd' (Green Cedar)

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Cordyline 'Jade Fountain' plant.
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Michelia yunnanensis white flowers and glossy, green foliage.
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Michelia yunnanensis is a compact, evergreen tree renowned for its glossy, green leaves and highly fragrant, white flowers, which bloom from late...

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A Michelia 'Velvet and Cream' tree with masses of cream-white flowers amidst glossy green foliage.
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Prumnopitys taxifolia (Matai) juvenile tree growing as a specimen in a park.
Prumnopitys taxifolia (Matai)

Prumnopitys taxifolia, commonly known as Matai or Black Pine, is a stately, NZ native tree with quite different juvenile and adult forms. The...

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Michelia 'Fairy Blush' flowers tinged with pink amidst lush, dark green foliage.
Michelia 'Fairy Blush'

Michelia 'Fairy Blush' is a compact, evergreen tree admired for its glossy, dark green foliage and fragrant, lilac-pink flowers that bloom from late...

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A large Agathis australis (Kauri tree) in a native reserve.
Agathis australis (New Zealand Kauri)

Agathis australis, commonly known as the Kauri tree, is a revered New Zealand native conifer renowned for its immense size and longevity. Reaching...

From$229.95
Lomandra Little Pal plants with lush green foliage.
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Lomandra Little Lime in a garden with lush, green foliage.
Lomandra Little Lime

Lomandra Little Lime is a compact ornamental grass known for its vibrant lime-green foliage and tidy, rounded form. Growing to about 50 cm in height...

From$21.39
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Francoa 'Starry Eyes' is an elegant perennial that produces graceful spikes of delicate flowers from late spring through summer. Its lush green...

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Platanus 'Autumn Glory' trees in bags at a plant nursery.
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Platanus 'Autumn Glory' is a large, deciduous ornamental tree renowned for its striking foliage and impressive stature. This cultivar of the Oriental...

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Arthropodium cirratum (Rengarenga) plants in flower with lush green foliage in a border garden.
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Griselinia 'Ardmore Emerald' hedge.
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Griselinia Ardmore Emerald is a lush, NZ-native shrub known for its glossy, deep green foliage and dense, upright growth. It typically reaches 3-4...

From$18.95
An exquisite Magnolia 'Iolanthe' two-tone pink flower.
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syagrus-romanzoffiana-
Syagrus romanzoffiana (Queen Palm)

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Liriodendron tulipifera 'Fastigiata' trees with yellow foliage in autumn.
Liriodendron tulipifera 'Fastigiata' (Tulip Tree)

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Cupressus 'Totem' (Totem Cypress) trees in a garden.
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Thuja orientalis 'Blue Cone' shrubs with green foliage in pots.
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Juniperus procumbens 'Nana' (prostrate Juniper) growing as a tidy ground cover.
Juniperus procumbens Nana (Japanese Dwarf Juniper)

Juniperus procumbens 'Nana', commonly known as the Prostrate Juniper, is a ground-hugging conifer that forms a carpet of blue-green, needle-like...

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Lomandra longifolia plant beside a path with lush, green foliage.
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Dianthus 'King of the Blacks'

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Buxus, Cordyline, and Dianthus, or related Categories - Grasses, Perennials, and Evergreen Shrubs.

Search dianthus height

How Tall Does Dianthus Grow?

Typically, dianthus height ranges from compact 15 centimetres for dwarf varieties up to around 45 centimetres for taller selections. Most commonly sold garden types, like pinks and carnations, reach about 20 to 35 centimetres tall. Their tidy, mounded form makes them ideal for the front of borders, container gardens, or mixed with other sun-loving perennials. For instance, Dianthus Passion forms a neat, rounded clump to about 25 centimetres, offering cheerful colour without becoming leggy or unruly.

Choosing the Right Dianthus for Your Space

Dianthus height is influenced both by variety and growing conditions. Some of the shorter varieties, such as Dianthus Far North, rarely exceed 15 to 20 centimetres, making them perfect for edging paths or filling rockeries with reliable blooms. Taller cultivars are wonderful for cutting gardens, where their stems stand out and the flowers can be easily snipped for indoor bouquets.

If you’re interested in a dianthus that balances neat foliage with showy blooms around 25 to 30 centimetres high, explore Dianthus Sunflor Love or Dianthus Memories. These varieties shine in containers or mass plantings where even heights help achieve a professional, harmonious look. For something a bit different, Dianthus Pink Eclipse offers a compact stature and pastel tones, ideal for low borders or as a companion to silver-leaved perennials.

How to Make the Most of Dianthus Height in Your Garden

Knowing the expected dianthus height lets you position your plants effectively. Shorter types tuck nicely along the front of garden beds or spill elegantly over the edges of pots and baskets. Taller varieties work beautifully set slightly back in planting schemes, where their flowers catch the eye against lower ground covers.

To maximise performance, plant dianthus in full sun with free-draining soil. Regular deadheading encourages more blooms and helps maintain a compact shape, so your plants look tidy all season. Even the tallest dianthus cultivars retain their neat, manageable habit compared with other flowering perennials, making them versatile for almost any garden design.

Explore Our Range of Dianthus Varieties

Whether you’re designing a border or looking for fragrant patio plants, knowing the mature dianthus height for each variety ensures your garden has lasting appeal. See our handpicked selection of popular options including Dianthus Passion, Dianthus Far North, Dianthus Sunflor Love, Dianthus Memories, and Dianthus Pink Eclipse. Plant confidently with the right dianthus for every corner of your New Zealand garden.

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.

Illustration of plant leaves.
Ficus 'Black Knight' and Rose 'Flower Carpet White' turn heads, but Malus 'Profusion', Clivia 'Peach', and Heuchera 'Lime Marmalade' quietly charm the most seasoned gardeners.
–The Plant Company

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