mulch

noun

ˈməlch 

ˈməlsh

: 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

mulch transitive verb

Examples of mulch in a Sentence

She spread some mulch around the plants.

Recent Examples on the Web

This is the perfect time to assess the mulch situation in your garden. —Paul Cappiello, Louisville Courier Journal, 6 Mar. 2026

Don't pile mulch up against the stems or leaves of plants. —Brandee Gruener, Southern Living, 6 Mar. 2026

Apply mulch to garden beds to keep soil moist for longer and prevent roots from drying out too quickly. —Kate McKenna, The Spruce, 5 Mar. 2026

Botanical knowledge was passed on in verse, which is easier to remember, so a gardener knew to place raspberries next to roses, that September was the best time to transplant gooseberries and currants, and that sowing edible weeds like fat hen and thistle between the crops serves as a living mulch. —Literary Hub, 19 Feb. 2026

Word History

Etymology

perhaps irregular from English dialect melch soft, mild

First Known Use

1657, in the meaning defined above

Phrases Containing mulch

• stubble mulch

Rhymes for mulch

• gulch

Kids Definition

mulch

1 of 2 noun

ˈməlch

: a covering (as of straw or sawdust) spread over the ground to protect the roots of plants from heat, cold, or evaporation, prevent soil loss, control weeds, enrich the soil, or keep fruit (as strawberries) clean

mulch

2 of 2 verb

: to cover with mulch