plural phlox or phloxes
: any of a genus (Phlox of the family Polemoniaceae, the phlox family) of American annual or perennial herbs that have usually pink, purplish, white, or variegated flowers, a salverform corolla with the stamens on its tube, and a 3-valved capsular fruit

Illustration of phlox

Illustration of phlox

Examples of phlox in a Sentence

Recent Examples on the Web
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Creeping Phlox Creeping phlox (Phlox stolonifera) is a low-maintenance, flowering ground cover that blankets gardens in a thick mat of pink, purple, or white blooms. Nishaa Sharma, The Spruce, 4 Apr. 2026 Phlox is a perennial that has clusters of blooms that mirror the look of hydrangeas, and phlox comes in similar flower shades of pink, purple, and white. Leanne Potts, Better Homes & Gardens, 2 Apr. 2026 April's full moon is called the Pink Moon, not because of its color, but because of the pink flower, known as creeping phlox or moss phlox, that was in full bloom during the month's full moon, according to the Old Farmer's Almanac. Julia Gomez, USA Today, 2 Apr. 2026 The 'pink' descriptor refers to a new bloom of moss phlox, a pink wildflower native to the eastern and central United States, according to the Old Farmer's Almanac. Caden Perry, jsonline.com, 31 Mar. 2026 See All Example Sentences for phlox

Word History

Etymology

borrowed from New Latin Phlox, a genus name, going back to Latin phlog-, phlox "a flame-colored flower," borrowed from Greek phlóx, genitive phlogós "flame, flash (of lightning), blaze, radiance, inflammation, a flame-colored flower," o-grade derivative from the stem of phlégein "to burn up, blaze, gleam" — more at phlegm

Note: The genus name Phlox was introduced by linnaeus (Species plantarum, 1753), who adapted it in Hortus Cliffortianus (Amsterdam, 1737, p. 63) from Theophrastus's name for a plant, identified as the wallflower (Erysimum cheiri) by Liddell and Scott's dictionary and Arthur Hort's translation of Historia plantarum (Theophrastus: Enquiry into Plants, vol. 2 [London/New York, 1916], p. 44).

First Known Use

circa 1706, in the meaning defined above

Time Traveler
The first known use of phlox was circa 1706

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Cite this Entry

“Phlox.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phlox. Accessed 8 Apr. 2026.

Kids Definition

phlox

noun
plural phlox or phloxes
: any of a genus of American herbs widely grown for their showy clusters of usually white, pink, or purplish flowers

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