Can bark mulch stop moss growth

Moss can be a persistent nuisance in gardens, thriving in damp, shaded spots where soil remains cool and compacted. Many gardeners turn to bark mulch as a way of discouraging its spread. While bark cannot completely eliminate moss, it can make conditions far less favourable for it to take hold.

By covering the soil, bark mulch reduces surface moisture levels that moss depends on. Instead of the soil staying bare and damp, the bark layer intercepts rain and slows evaporation, creating a more balanced environment beneath. In turn, this makes it harder for moss spores to settle and spread across borders or pathways. Another advantage is that bark helps to improve soil structure as it decomposes, reducing compaction, which is another factor that encourages moss growth.

It’s worth noting that bark mulch works best as part of a wider approach. Ensuring good drainage and improving light and air circulation around plants will make an even bigger difference. Over time, as bark breaks down, it adds organic matter and supports a healthier soil environment less prone to moss. For those looking for high-quality mulch suitable for this purpose, AHS LTD offers bark products that combine practicality with long-term soil improvement.