pe·​tu·​nia | \ pi-ˈtün-yə How to pronounce petunia (audio) , -ˈtyün- \

Definition of petunia

: 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

Illustration of petunia

Illustration of petunia

Examples of petunia in a Sentence

Recent Examples on the Web The revelatory discovery happened by accident after a number of oddities, including an effort to make an especially vibrant petunia. Morgan Greene,, 30 July 2021 This vigorous petunia works as both a filler and spiller in containers, with stems that can trail up to 30 inches by the end of the season. Sheryl Geerts, Better Homes & Gardens, 19 May 2021 This petunia variety is also a sure bet tucked among perennials in your backyard flower borders. Sheryl Geerts, Better Homes & Gardens, 19 May 2021 How deep would edging have to be to stop Mexican petunia from spreading? Neil Sperry,, 1 Jan. 2021 Calvin Finch has your guide to fall lawn care in San Antonio; Neil Sperry answers readers' questions about Mexican petunia and more in his Down to Earth column., 17 Sep. 2020 Dwarf Ruellia is also called dwarf Mexican petunia. Calvin Finch,, 14 May 2020 Tomatoes, petunias, zucchini and peppers all require heat to grow. Paul Cappiello, The Courier-Journal, 15 May 2020 Consider snapdragons, petunias, stocks, dianthus, calendula, alyssum and ornamental kale. Calvin Finch,, 17 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'petunia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of petunia

1825, in the meaning defined above

History and Etymology for petunia

New Latin, from obsolete French petun tobacco, from Tupi petɨ́ma

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Time Traveler for petunia

Time Traveler

The first known use of petunia was in 1825

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Dictionary Entries Near petunia



petunia violet

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Cite this Entry

“Petunia.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2021.

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English Language Learners Definition of petunia

: a plant that has colorful flowers which are shaped like funnels


pe·​tu·​nia | \ pə-ˈtü-nyə How to pronounce petunia (audio) , -ˈtyü- \

Kids Definition of petunia

: a plant grown for its brightly colored flowers that are shaped like funnels

More from Merriam-Webster on petunia

Nglish: Translation of petunia for Spanish Speakers Encyclopedia article about petunia


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