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

Proper planting height leaves the root flare exposed above the soil/mulch surface. — Paul Cappiello, Louisville Courier Journal, 18 Sep. 2026

The playground’s floor, mulch and other outdoor surfacing will also be completely replaced with synthetic turf. — Ilana Arougheti, Kansas City Star, 17 Sep. 2026

Add a layer of 2 to 3 inches of mulch to protect the roots from freezing temperatures. — Karen Brewer Grossman, Southern Living, 17 Sep. 2026

Add Mulch Apply a 2- to 3-inch layer of organic mulch, such as wood chips or straw, around the base to help retain moisture and regulate temperature, keeping it away from the trunk or stem to prevent rot. — Sj McShane, Martha Stewart, 16 Sep. 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