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

Rodgers said the mulch surface had posed challenges for people who struggle to walk, especially those using walkers and wheelchairs. —Monique John, CBS News, 20 Mar. 2026

The company said work at Galeton Elementary School included extensive cleaning of the interior, exterior, playground equipment and the removal of gravel and mulch. —Judith Kohler, Denver Post, 19 Mar. 2026

Members of the Georgia Arborist Association spread mulch around the base of each trunk to reduce soil compaction caused by competitors and judges, provided soil care, and, for this tree, threw in a growth regulator as well. —Calin Van Paris, Outside, 19 Mar. 2026

Applying mulch to your garden helps prevent weeds, retain soil moisture, and minimize erosion. —Madeline Buiano, Martha Stewart, 15 Mar. 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