Can bark mulch prevent soil erosion

Soil erosion can be a quiet but persistent issue in gardens, especially on sloping ground or in areas prone to heavy rain. When left uncovered, bare soil is easily washed away, carrying nutrients with it and leaving plants exposed. Bark mulch offers a practical solution by forming a protective barrier over the soil surface.

The mulch layer helps to absorb the impact of rainfall, breaking up the force of water before it can dislodge soil particles. Instead of running straight off, water is slowed down and allowed more time to seep into the ground. This not only reduces erosion but also improves moisture retention, which benefits the plants growing in that space.

Wind erosion is another factor that bark mulch can counter. On dry, exposed sites, soil can be lifted and blown away, but the weight and texture of bark help to anchor the surface. Over time, as the bark breaks down, it further stabilises the soil by adding organic matter and improving structure.

For gardeners keen to protect vulnerable areas of their plots, bark mulch provides both immediate cover and long-term benefits. AHS LTD offers a range of mulches suitable for tackling erosion, making it easier to safeguard beds, borders and banks throughout the year.