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dianthus king of black

Dianthus King of Black is a dramatic and eye-catching perennial that brings intense, velvety shades of deep crimson—nearly black—to your garden. With its striking blooms and compact mounding habit, it’s a fabulous choice for anyone wanting a bold accent in borders, rockeries, or containers. Its clove-like fragrance and strong, upright stems make it equally popular for cut flower arrangements. If you’re searching for a plant that combines captivating colour and low maintenance, dianthus king of black stands out as a must-have among gardeners in New Zealand.

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. Its compact growth and fine grey green foliage make it ideal for borders, edging, containers, and cottage style plantings.

dianthus-king-of-the-blacks-
  • 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 'King of the Blacks'

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Why Choose Dianthus King of Black?

Dianthus king of black is treasured for its unique, dark blooms that appear almost black in certain lights—a truly premium colour rarely seen in the garden. Flowering from late spring through summer, it offers long-lasting displays that contrast beautifully with silvery or green foliage and lighter coloured flowers. The plant typically forms neat, compact clumps that reach up to 30cm in height, suiting modern garden designs, cottage gardens, and even city balconies. Its blooms attract pollinators like bees and butterflies, adding life alongside their ornamental value.

Ideal Growing Conditions

To bring out the richest colour and healthiest growth in your dianthus king of black, plant it in well-drained soil in full sun. It’s surprisingly tolerant of drier sites once established, making it well-suited for New Zealand’s varied climates. Regular deadheading will encourage repeat flowering and keep your plants looking their best throughout the season. If you’re creating a perennial border, pair this variety with complementary colours such as Dianthus Sugar Plum Coral or fiery Geum Rustico Orange for an outstanding visual display.

Perfect Partners for Dianthus

Looking to expand your collection of charming, fragrant perennials? Consider these other stunning options:

Care and Long-Term Enjoyment

Dianthus king of black is a hardy and reliable garden staple. Once established, these plants require little more than occasional watering in dry spells and a tidy-up after flowering. Cut back the spent stems in autumn to promote healthy new growth for next season. Dianthus varieties are generally trouble-free, though providing good air circulation helps prevent any issues with mildew.

Ready to add unmatched depth and drama to your own garden? Whether planted en masse or as a unique focal point, dianthus king of black promises years of beauty and enjoyment. Pair it with lighter blooms from Dianthus Angel of Purity for a classic and sophisticated palette. Explore our full collection to create a showstopping perennial garden that will thrive year after year.


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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.

Our garden favourites Anemanthele lessoniana (Pheasant's Tail Grass) and Lomandra White Sands get lots of love, but don’t miss out on a few lesser-known delights: Gooseberry 'Invicta', Magnolia denudata, and Origanum Bellissimo (Oregano).
–The Plant Company

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