The answer to 'what is mulch' is mulch is a protective ground cover, typically made from shredded bark, wood chips, leaves, or other organic materials, that is spread over the soil around plants, trees, and shrubs. Mulch serves several important functions in landscaping and gardening, including retaining moisture in the soil, suppressing weed growth, moderating soil temperatures, and adding nutrients to the soil as it decomposes.
Mulch is an essential part of many landscaping and gardening projects, from flower beds and vegetable gardens to tree beds and pathways. It helps to create a neat, uniform appearance while also providing practical benefits for the health and growth of plants.