\ˈməlch, ˈməlsh\

Definition of mulch 

: a protective covering (as of sawdust, compost, or paper) spread or left on the ground to reduce evaporation, maintain even soil temperature, prevent erosion, control weeds, enrich the soil, or keep fruit (such as strawberries) clean

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Other Words from mulch

mulch transitive verb

Examples of mulch in a Sentence

She spread some mulch around the plants.

Recent Examples on the Web

Blueberries want damp growing media, so water regularly during our hot summer months and add a layer of mulch at the top of the container to retain moisture. Stan Davidson,, "With patience, blueberries can be grown in containers," 10 July 2018 Paskewitz also suggests laying down a two-foot border of mulch between the backyard and forest. Jennifer Walter, Milwaukee Journal Sentinel, "The Tick App offers resources to identify, remove ticks as part of Lyme disease study," 3 July 2018 Weeding and a $3 bag of mulch can go a long way to making your gardens look tidy. Melissa Rolland,, "Projects That Don't Break The Bank," 19 June 2018 Remove the loosened dirt with your hands and lay down two to three inches of fresh mulch along the edge of the boundaries before removing the string. Daniel Bortz, sacbee, "Four home-improvement jobs you can knock out," 15 June 2018 Working that in with a two-inch layer of mulch during planting is good. Austin Horn, San Antonio Express-News, "Rain to come after long dry spell, but will it be enough to stop a drought?," 14 June 2018 The application of mulch to soil under plants can reduce incidence of these types of diseases. Dan Gill,, "How to keep insects, weeds and diseases out of your South Louisiana garden," 24 May 2018 His amendments also would require that any off-site sales of mulch must be shipped with trees, shrubs or plants. Kate Magill, Columbia Flier, "Changes proposed to controversial Howard mulch operations bill," 24 Apr. 2018 Program funding is limited, and participants must comply with requirements that include a simple landscape plan, plant coverage, mulch, rainwater capture and irrigation technology. Pomerado News, "Water agencies increase incentives to replace turf," 13 July 2018

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

1657, in the meaning defined above

History and Etymology for mulch

perhaps irregular from English dialect melch soft, mild

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Statistics for mulch

Last Updated

8 Sep 2018

Look-up Popularity

Time Traveler for mulch

The first known use of mulch was in 1657

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More Definitions for mulch



English Language Learners Definition of mulch

: a material (such as straw, leaves, or small pieces of wood) that is spread over the ground in a garden to protect the plants or help them grow and to stop weeds from growing


\ˈməlch \

Kids Definition of mulch

 (Entry 1 of 2)

: a material (as straw or bark) spread over the ground especially to protect the roots of plants from heat or cold, to keep soil moist, and to control weeds


mulched; mulching

Kids Definition of mulch (Entry 2 of 2)

: to cover with mulch

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