The answer to 'why is my retaining wall pests' is that a retaining wall can become infested with pests like termites, ants, or rodents if it is not properly maintained. Over time, cracks and gaps can form in the wall, providing entry points for pests to burrow into the soil or wood behind the wall. Additionally, organic debris and vegetation growing near the wall can attract pests and provide them with food and shelter.
To address a pest problem with your retaining wall, you'll need to first identify the specific type of pest. This may require a professional inspection. Once the pest is identified, you can take steps to eliminate them, such as sealing cracks, removing vegetation, and applying pest control treatments. If the infestation is severe or the wall is structurally compromised, it's best to call a professional landscaper or pest control expert to assess the situation and make necessary repairs.