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
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
There is really no reason to become too concerned as magnolias hold their leaves for about two years then drop them along with the algal leaf spots on the surface.
—Brian Bell, The Orlando Sentinel, 3 Jan. 2026
Hellebore foliage can develop a fungal leaf spot (Microsphaeropsis hellebore) that causes black or brown spots.
—Mary Marlowe Leverette, Southern Living, 27 Dec. 2025
Boxwood blight, a fungus, appears in the form of blotchy, brown leaf spots.
—Sophie Hartley, IndyStar, 25 Nov. 2025
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Lauren Landers, The Spruce, 7 Jan. 2026
There is really no reason to become too concerned as magnolias hold their leaves for about two years then drop them along with the algal leaf spots on the surface.
—Brian Bell, The Orlando Sentinel, 3 Jan. 2026
Hellebore foliage can develop a fungal leaf spot (Microsphaeropsis hellebore) that causes black or brown spots.
—Mary Marlowe Leverette, Southern Living, 27 Dec. 2025
Boxwood blight, a fungus, appears in the form of blotchy, brown leaf spots.
—Sophie Hartley, IndyStar, 25 Nov. 2025
See All Example Sentences for leaf spot
Cite this Entry
“Leaf spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20spot. Accessed 13 Jan. 2026.
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