leaf spot

noun

Definition of leaf spot 

: 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

Where gray leaf spot will show up in both sun and shade, chinch bugs will always be in the hottest, sunniest parts of your yard. Neil Sperry, star-telegram, "Here’s your gardening to-do list for the second part of the summer," 11 July 2018 There are no signs of bugs, holes in the trunk or leaf spots. Ellen Nibali, baltimoresun.com, "Garden Q&A: Be wary of the 'bathtub effect'," 12 July 2018 Control fruit worms and leaf spots on vegetables with natural sprays as needed. Tom Maccubbin, OrlandoSentinel.com, "May in the garden," 28 Apr. 2018 Some diseases cause leaves to rot, but those symptoms tend to be described as leaf spots and blights. The Editors Of Organic Life, Good Housekeeping, "Grow Healthy Food By Identifying + Treating These Common Plant Diseases," 21 July 2015 Control powdery mildew and leaf spots with a fungicide as needed. Tom Maccubbin, OrlandoSentinel.com, "Hydrangeas need special handling," 17 May 2018 Redtip photinias are disastrous choices due to Entomosporium fungal leaf spot, so don’t let anyone talk you into them. Neil Sperry, San Antonio Express-News, "Variegated cane not invasive, but should still be contained," 11 May 2018 Bicarbonate sprays can be very helpful in preventing leaf spot diseases. The Editors Of Organic Life, Good Housekeeping, "Grow Healthy Food By Identifying + Treating These Common Plant Diseases," 21 July 2015 Also keep a fungicide handy to apply as needed — Hydrangeas often suffer from powdery mildew and leaf spots. Tom Maccubbin, OrlandoSentinel.com, "Find the ideal spot to plant hydrangeas," 14 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'leaf spot.' 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 leaf spot

circa 1846, in the meaning defined above

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Last Updated

3 Aug 2018

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The first known use of leaf spot was circa 1846

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