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Companion Plants For Dianthus – Tips On What To Plant With Dianthus

Companion Plants For Dianthus – Tips On What To Plant With Dianthus


By: Mary H. Dyer, Credentialed Garden Writer

Old-fashioned flowers favored by gardeners for generations, Dianthus are low maintenance plants prized for their ruffly blooms and sweet-spicy scent. If you’re wondering what to plant with dianthus in your garden, read on for helpful tips and suggestions.

Companion Planting with Dianthus

When it comes to dianthus plant companions, look for plants that share the same growing conditions. For example, dianthus prefers bright sunlight and well-drained, dry soil, so plants that like shade and moist soil aren’t good companion plants for dianthus.

Often, other old-fashioned flowers, like roses or verbena, complement dianthus beautifully. Mild-scented flowers, such as lavender or scented geraniums, work well, but be careful of strong-scented plants that may detract from the aroma of dianthus.

Consider color as well, and what combinations are pleasing to your eye. The red, pink, white and purple shades of dianthus may be overpowered by bright orange marigolds or intensely colored Kniphofia (red hot pokers). However, this is a matter of personal preference.

Otherwise, if you like the appearance and color of a plant, go ahead and give it a try. Chances are, you’ll find a number of choices that work well with dianthus.

What to Plant with Dianthus

Here are a few suggestions to get you started.

Annuals

  • Geraniums
  • Petunias
  • Pansies
  • Verbena
  • Snapdragons
  • Salvia (may be either annual or perennial)
  • Bachelor’s button
  • Sweet pea
  • Zinnia

Perennials

  • Lamb’s ear
  • Lavender
  • Roses
  • Poppies (some are annuals)
  • Coreopsis
  • Hollyhocks
  • Hyssop
  • Delphiniums
  • Dicentra (Bleeding heart)

Shrubs

  • Lilac
  • Viburnum
  • Forsythia
  • Spirea
  • Beautyberry

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Companion Planting

Knock Out roses need six to eight hours of sun, good air movement and well-drained soil. A number of companion plants work well with the Knock Out roses. Consider planting Pinks (Dianthus plumarius) around the base of your Knock Out roses. Pinks are low growing and their gray-green foliage complements the pinks in the different Knock Outs, such as Pink Knock Outs (Rosa Radcon), Pink Double Knock Outs (Rosa Radtkopink) and Blushing Knock Outs (Rosa Radyod). Add some orange daylilies to accent the pinks. Other companion plants to consider are purple coneflowers and lamb's ear with the Rainbow Knock Outs (Rosa Radcor).


Polka

This is a common, garden variety of the weigela in dry areas. It is popular for the characteristic pink shade of its seasonal bloom. Growing to about 3 to 5 feet, the Polka weigela is perfect for gardens that need a perennial green cover. Weigela Polkas develop thick, green-colored foliage, along with pink-edged flowers during the late summer season. These should be combined with other perennials that bloom during the summer season. Echinacea plants, particularly Cone Flowers and some varieties of Leucanthemums like the Shasta Daisies are suited for this purpose. These plants have large flower heads that create a bouquet-like effect in the backdrop of a dark-green weigela spread. You can also use plants like the Gypsophila or the Russian Sage but these flowers have a slightly shorter blooming season.


4. Jasmine

Jasmines are among the most preferred ornamental houseplants for gardeners that love a nice mix of delicate and exotic scent. In general, these flowering plants bloom from spring to fall and go dormant during the winter months. Their flowers are aphrodisiac, very attractive to bees, and have been used in traditional medicine as a treatment for various diseases.

Thanks to their simple creamy-white blossoms, these plants can make for great companions to many other colorful species of flowering plants. Jasmine plants can be nice garden-fillers but can also thrive indoors, as houseplants or cut flowers. Moreover, the flowers have a wide range of shapes, so you have a lot of beautiful baby plants to choose from!


Low mounds of colorful dianthus make a good choice to plant in front of Autumn Joy. They like full sun and well-drained soil. Like sedum, they require little maintenance. Most flower in late spring, but their showy leaves remain to frame your sedum.

If your Autumn Joy is planted in partial shade, consider adding hostas to the bed. They have the same light and water requirements as the sedum. Hostas' tall, spiky flower stalks will complement Autumn Joy's blooms.

  • The spiky, blue-gray foliage of blue fescue contrasts nicely with Autumn Joy's soft green stems and leaves.
  • Most flower in late spring, but their showy leaves remain to frame your sedum.

Lady’s Mantle (Alchemilla) are flowering perennials that generally grow to a height of between 12″ and 24″ tall, although there are shorter types available. Lady’s Mantle likes moist soil, and is hardy in Zones 3-8. Flowers tend to be yellow-green, and are great for the front of border gardens or as edging plants along paths. Lady’s Mantle can be grown in full sun to partial shade.

  • Dwarf Lady’s Mantle (Alchemilla erythropoda)
  • ‘Thriller’ Alchemilla
  • ‘Auslese’ Lady’s Mantle
  • ‘Irish Silk’ Lady’s Mantle
  • Alpine Lady’s Mantle (Alchemilla alpina)

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Watch the video: How To Plant Dianthus Chinensis Gardening Winter Hardy Flowers