Illustration of petunia
petunia
noun
pe·tu·nia
pi-ˈtün-yə 
-ˈtyün-
: any of a genus (Petunia) of tropical South American herbs of the nightshade family that are commonly grown as annuals for their fragrant, colorful, trumpet-shaped flowers
Examples of petunia in a Sentence
Recent Examples on the Web
Marigolds, geraniums, and petunias add many pops of color.
—
Brandee Gruener, Southern Living, 1 June 2026
Old Fashioned Climbing petunias flower with a frenzy from spring until fall.
—Joshua Siskin, Oc Register, 28 May 2026
Are there any types of petunias that don't require deadheading?
—Samantha Johnson, Martha Stewart, 20 May 2026
Lobelia come in many colors and are the perfect companions for mounding petunias and geraniums.
—Gemma Johnstone, The Spruce, 14 May 2026
See All Example Sentences for petunia
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Brandee Gruener, Southern Living, 1 June 2026
Old Fashioned Climbing petunias flower with a frenzy from spring until fall.
—Joshua Siskin, Oc Register, 28 May 2026
Are there any types of petunias that don't require deadheading?
—Samantha Johnson, Martha Stewart, 20 May 2026
Lobelia come in many colors and are the perfect companions for mounding petunias and geraniums.
—Gemma Johnstone, The Spruce, 14 May 2026
See All Example Sentences for petunia
Cite this Entry
“Petunia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petunia. Accessed 5 Jun. 2026.
Copy CitationKids Definition
petunia
noun
pe·tu·nia
pi-ˈt(y)ün-yə
: any of a genus of tropical South American herbs of the nightshade family widely grown for their showy funnel-shaped flowers
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