Can bark mulch cause root rot

Bark mulch is a popular choice for gardeners, prized for its ability to suppress weeds and retain soil moisture. Yet, a common concern is whether it can contribute to root rot. The truth is a little more nuanced than a simple yes or no. When bark mulch is applied too thickly or kept constantly wet, it can create an environment where fungi thrive, increasing the risk of root rot, particularly in plants that are sensitive to overwatering.

The type of bark used also plays a role. Coarse, well-aerated bark allows water to drain more easily, reducing the likelihood of waterlogged soil. Fine, shredded bark, on the other hand, can compact and hold excess moisture against the roots if left unchecked. Regularly turning or loosening the mulch can help prevent this issue, ensuring that plants remain healthy and well-drained.

AHS LTD offers a range of bark mulch suitable for different garden needs. Their products, when applied correctly, support plant growth without causing harm. Gardeners should always monitor soil moisture, avoid piling mulch directly against stems, and choose the appropriate thickness to protect roots rather than smother them. With careful management, bark mulch remains an effective and safe choice for most garden planting.