The answer to 'retaining wall has weeds' is that weeds growing in a retaining wall are a common issue caused by a few key factors. Weeds can take root in the cracks and crevices of the wall, especially if there is loose soil or debris that provides a growing medium. Improper drainage or water pooling around the wall can also contribute to weed growth. Left unchecked, weeds can damage the integrity of the retaining wall over time.
To address weeds in a retaining wall, you'll first want to identify and address the underlying causes. This may involve improving drainage, sealing cracks, or removing loose soil and debris. Then, you can manually remove the weeds, being careful not to damage the wall. For persistent or difficult-to-reach weeds, using a targeted herbicide may be necessary. However, for major weed issues or structural concerns with the retaining wall, it's best to call in a professional landscaper or mason to assess and resolve the problem.