: 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
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Some of these flowering plants include bee balms, columbine flowers, daylilies, lupines and petunias.—Haadiza Ogwude, The Enquirer, 2 July 2025 Some petunia varieties, such as Wave petunias and Supertunias, are self-cleaning and do not require deadheading to keep plants blooming.—Kim Toscano, Southern Living, 4 June 2025 Try some French marigolds, short snapdragon varieties, or begonias.
Add a spiller, such as petunias or sweet potato vines, to cascade down the front of the pot.—Andy Wilcox, Better Homes & Gardens, 3 June 2025 Beneath them sat colorful flats of impatiens, pansies, petunias and marigolds.—Mark Pazniokas, Hartford Courant, 23 Apr. 2025 See All Example Sentences for petunia
Word History
Etymology
New Latin, from obsolete French petun tobacco, from Tupi petɨ́ma
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