10 Dahlia Companion Plants To Grow With Dahilas

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10 Dahlia Companion Plants To Grow With Dahilas :-Dahlias, which belong to the genus Dahlia, are known to provide a splash of color to the landscape with their beautiful single or double blooms that come in a wide range of colors, such as black, orange, pink, purple, red, white, and striking multicolor combinations.

These non-native, fragile, tuberous flowering bulbs are perennials in USDA Hardiness Zones 8 to 11 and annuals in Zones 3 to 7. However, they may survive the winter with additional care in Zone 7, or the tubers can be lifted for storage and replanting. These bulbs are not native to the area.


10 Dahlia Companion Plants To Grow With Dahilas


1. Agapanthus :

  • Agapanthus species, which are perennials, come in spherical clusters of blooms that resemble lilies and can be blue, violet, or white in color. During the spring and summer months, it blooms in full sun in Zones 6 to 11, where it is suitable for cultivation.
  • A picture that is horizontal and depicts a route that is surrounded by flowering agapanthus.
  • In terms of height and width, AD mature measurements range from 22 to 44 inches. Those cultivars that are shorter are more suited for beds and borders, while those that are taller are great anchors for rear beds.
  • A ‘Blue Heaven’ agapanthus blossom is depicted in close-up against a background that is in soft focus.
    The phrase “Blue Heaven”
  • The Agapanthus ‘Blue Heaven’ plant is available from Burpee in its bare root form.



2. Allium

  • The native perennial rhizomatous bulb known as Allium (Allium spp.) is characterized by its circular flower heads that are composed of star-shaped flowers that can be a variety of colors, including blue, green, pink, purple, red, white, or yellow.
  • Choose types that bloom in the spring, summer, or fall and grow in full sun to part shade environments. These varieties are ideal for Zones 3 to 9.
  • The plants can grow to a height of one to five feet and have a spread of one to two feet. It is possible to create texturally-rich balloon-like flashes of color by mixing and matching dahlia variety.
    The term “serendipity”
  • Nature Hills Nursery is the place to go to find the lovely purple cultivar known as “Serendipity,” which is available in containers numbered #1.


3. Anise Hyssop

  • In full-sun locations, the blue, lavender, or purple multi-flowered spikes of native perennial anise hyssop (Agastache foeniculum) provide a joyful sight during the summer.
  • This plant is ideal for Zones 4 to 9.
    They mature to heights of two to four feet and spreads of one and a half to three feet, and they make a stout vertical statement that contrasts with the spherical dahlia blooms that are there.



4. Aster

  • There are several species of asters, including Aster, Doellingeria, Eurybia, Ionactis, and Symphyotrichum, that provide color from late summer to fall in Zones 4 to 8.
  • These asters grow in full sun and can take partial shadow too. Many of them are original species.
  • You can pick an aster height that meets your requirements, with options ranging from six to 72 inches and a spread that is between eight and 36 inches.
  • Large numbers of daisy-like flowers, which can be found in a variety of colors including blue, pink, purple, and white, play a supporting function as a texturally soft filler between or behind dahlias that are the focal point of the arrangement.
A vertical picture of dahlias growing in the landscape with light blue asters.

5. Bee Balm

  • Native perennial bee balm (Monarda spp.) has petals that look like fireworks, and the deep red, pink, or purple hues of these flowers are a great complement to the equally vibrant tones of dahlias.
  • With strong stems that reach heights of three to five feet and a spread of 18 to 36 inches, this summer bloomer never fails to impress. It is suited for places in Zones 3 to 9 that receive full sun or partial shade.
A close up horizontal image of red bee balm (Monarda) flowers pictured on a soft focus background.


6. Black-Eyed Susan

  • In Zones 3 to 9, the native perennial black-eyed Susan, also known as Rudbeckia hirta, is characterized by its golden, orange, or red petals that are surrounded by deep brown core disks.
  • This makes for a dazzling display of full-sun summer color.
  • It has dimensions that are intermediate, standing between two and three feet tall and twelve to eighteen inches broad.
  • It is a versatile bed and border partner that may be placed in mid-section placements with medium and short dahlias.
A horizontal picture of a colorful garden border with a mass of black-eyed Susan flowers by a picket fence.

7. Blazing Star

  • The beautiful pinkish-purple flower spikes of the native perennial blazing star (Liatris spicata) illuminate sunny gardens from the end of summer to the beginning of fall in Zones 3 to 9.
  • Because of its regal heights, which range from two to four feet, and its narrow spread, which ranges from nine to 18 inches, it is appropriate for anchor placements in beds.
  • In addition, it performs particularly well when interplanted with dahlias, which results in the creation of a striking alternate pattern that highlights the distinctive shapes of each individual flower.
  • In addition, there are varieties of blazing star that produce white flowers.
A horizontal picture of a colorful flowerbed with dahlias, cosmos, and purple blazing star pictured in bright sunshine.



8. Common Switchgrass

  • Panicum virgatum, also known as common switchgrass, is a native ornamental grass that thrives in Zones 5 to 9 and likes full sun but may also withstand exposure to partial shade.
  • During the period from the middle of summer until the fall, when the grass blossoms and sets seed, a pinkish haze appears to hover above each clump of slender grass blades, much like a gentle pastel cloud.
  • Height ranges from three to six feet, and width ranges from two to three feet for mature measurements.
  • Having a remarkable combination of height, airiness, and columnar form, this companion is most effective when used as an accent in informal drifts, as a backdrop to graduated height foreground plantings in vast beds, and as a foundation anchor.


A square image of 'Heavy Metal' switchgrass in a garden border.


9. Coneflower

  • Native perennial coneflowers, also known as Echinacea species, are a popular in Zones 5 to 9 due to their daisy-like petals that can be a variety of colors, including orange, purple, red, or white.
  • The cone-shaped seed heads of plants bloom from summer till fall, when they attract songbirds that are hunting for food. Plants can be grown in full sun to light shade.
  • Dwarf kinds can grow to be as little as six to twelve inches tall and wide, but standard plants can reach a height of three to four feet and a width of one to three feet when they reach maturity.
  • You can choose dahlias in beds, borders, and drifts where their compact regularity helps to a manicured arrangement by selecting them according to their height and color. This will allow you to compliment or contrast with others.A close up vertical image of purple coneflowers wild in a meadow.


10. Cosmos

  • When exposed to direct sunlight, the delicate, square-shaped petals of the cosmos (Cosmos spp.) flower can be orange, red, pink, purple, red, yellow, white, or bicolored. This flower is a summertime phenomenon.
  • It is an annual that can be grown in Zones 2 through 11, and it may grow to heights of one to six feet and widths of one to three feet. Its slender stems respond to even the smallest breeze with a whisper of movement, which draws the eye into the garden.
  • These should be interspersed among dahlias of corresponding heights in order to create the atmosphere of a casual cottage garden.
A horizontal image of pink and white cosmos flowers in a meadow.





    Jasmine Gomez is the Wishes Editor at Birthday Stock, where she cover the best wishes, quotes across family, friends and more. When she's not writing for a living, she enjoys karaoke and dining out more than she cares to admit. Who we are and how we work. We currently have seven trained editors working in our office to produce top-notch content that you can rely on. All articles are published according to the four-eyes principle: After completion of the raw version, the texts are checked by (at least) one other editor for orthographic and content accuracy.

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