leaf spot

noun

: any of various plant diseases characterized by discolored often circular spots on the leaves

Examples of leaf spot in a Sentence

Recent Examples on the Web
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Diseases often stem from overwatering, leading to issues such as root rot, leaf spot, and wilt. Sj McShane, Martha Stewart, 9 Feb. 2026 Other diseases that commonly affect hollies include leaf spots, root rots, and powdery mildew. Kim Toscano, Southern Living, 5 Feb. 2026 All hydrangeas are susceptible to fungal leaf spots, with oakleaf hydrangeas being the most vulnerable, notes Hirvela. Leanne Potts, Better Homes & Gardens, 28 Jan. 2026 To boost airflow and prevent diseases like bacterial leaf spots, make sure outdoor plants have plenty of room to spread out and space multiple plants at least 3 feet apart. Lauren Landers, The Spruce, 7 Jan. 2026 See All Example Sentences for leaf spot

Word History

First Known Use

circa 1846, in the meaning defined above

Time Traveler
The first known use of leaf spot was circa 1846

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Cite this Entry

“Leaf spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20spot. Accessed 14 Feb. 2026.

Last Updated: - Updated example sentences
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