dahlia

noun

dahl·​ia ˈdal-yə How to pronounce dahlia (audio) ˈdäl- How to pronounce dahlia (audio)
US also and British usually ˈdāl-
: any of a genus (Dahlia) of American tuberous-rooted composite herbs having opposite pinnate leaves and rayed flower heads and including many that are cultivated as ornamentals

Examples of dahlia in a Sentence

Recent Examples on the Web
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In addition to dahlias, which bloom in late summer, the farm also grows zinnias, sunflowers, snapdragons, cosmos and more. Tiney Ricciardi, Denver Post, 3 June 2026 Get into a routine of deadheading fading flowers regularly to keep the garden tidy and encourage more blooms from flowers like dahlias, marigolds, coneflowers, and roses. Mary Marlowe Leverette, Southern Living, 31 May 2026 In 2018, Nafis added a row of dahlias to the vegetable garden in her backyard and was soon scheming a way to create a cut-flower farm without leaving the city. The Washington Post, San Diego Union-Tribune, 30 May 2026 Consider late-blooming native plants such as asters, goldenrod, ironweed, Joe Pye weed, and sneezeweed, as well as some non-natives including tall sedums, dahlias, toad lilies, zinnias, Bolivian verbena, reblooming roses and anise hyssop. Beth Botts, Chicago Tribune, 23 May 2026 See All Example Sentences for dahlia

Word History

Etymology

New Latin, genus name, from Anders Dahl †1789 Swedish botanist

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of dahlia was in 1835

Browse Nearby Words

Cite this Entry

“Dahlia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dahlia. Accessed 5 Jun. 2026.

Kids Definition

dahlia

noun
dahl·​ia ˈdal-yə How to pronounce dahlia (audio) ˈdäl- How to pronounce dahlia (audio)
: any of a genus of American herbs related to the daisies and having brightly colored flower heads and a root that is a tuber

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