The answer to 'how to care for retaining wall' is to regularly inspect, maintain, and repair your retaining wall as needed. This includes checking for cracks, leaning, or other structural issues, clearing debris and vegetation, and addressing any problems promptly to prevent further damage.
Proper retaining wall care involves several key steps. First, visually inspect the wall at least once a year, looking for signs of cracking, shifting, or other structural problems. Catch issues early before they worsen. Second, clear away any vegetation, leaves, or other debris that accumulates around the base of the wall. This allows for proper drainage and prevents damage from plant roots. Third, address any cracks or other minor damage right away by filling them with a concrete patching compound. For larger repairs, it's best to consult a landscaping professional.