How does mulching benefit soil temperature?

Mulching plays a significant role in maintaining consistent soil temperatures, making it an essential practice in horticulture. The layer of mulch acts as an insulating barrier that moderates the soil temperature by reducing the fluctuations that occur with varying weather conditions. During hot weather, mulch helps to keep the soil cooler by providing shade and reducing evaporation. Conversely, during colder months, it insulates the soil, helping to retain warmth.

This stabilization of temperature is particularly beneficial for plant roots, which prefer a consistent environment for optimal growth. When soil temperatures are consistent, it promotes healthy root development and improves the overall health of the plants. By maintaining an even soil temperature, mulch also aids in the soil's ability to retain moisture and nutrients, further benefiting plant health.