Although both are utilised in horticulture and landscaping, mulch and compost have very different and distinct functions.
Mulch can be any material that you apply to the surface of your soil to provide a cover. It has many benefits which include but are not limited to moisture retention, weed suppression and temperature moderation.
Compost has gone through a biological process and broken down into plant-available forms that work it’s way into the soil. It provides similar benefits as a mulch but additionally greatly increases microbial activity, promotes root growth and helps to break up hard soils for a better living environment for your plant.