Definition of mulch in English:


Syllabification: mulch
Pronunciation: /məlCH


  • 1A material (such as decaying leaves, bark, or compost) spread around or over a plant to enrich or insulate the soil.
    More example sentences
    • Cover with shredded bark mulch, straw, hay or evergreen boughs to protect them over the winter.
    • Water regularly during dry spells and spread mulch around plants to keep roots cool and moist.
    • To prevent dry soil, spread mulch around plants.
  • 1.1An application of mulch: regular mulches keep down annual weeds
    More example sentences
    • Weeds are best controlled through regular cultivation and/or through the use of mulches.
    • Earthworms often thrive under mulch and in general mulches usually help plants grow better.
    • Both organic and inorganic mulches have numerous benefits.


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  • Treat or cover with mulch.
    More example sentences
    • Mr Thomas said there is a range of things people can do to save water, including mulching the garden and covering swimming pools to reduce evaporation.
    • In these zones, spring-flowering bulbs must be mulched during the winter due to the danger of frost damage.
    • By mulching, cover cropping, and composting, you can work on the soil all season long.


mid 17th century: probably from dialect mulch 'soft' used as a noun, from Old English melsc, mylsc.

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