The answer to 'patio turning brown' is that there are several common causes, including excessive sun exposure, improper drainage, and fungal growth. Symptoms can include discoloration, patchy appearance, and a rough or uneven texture. Solutions may involve adjusting watering schedules, improving drainage, and treating any fungal issues.
In many cases, a DIY approach with the right products and techniques can resolve a brown patio. However, if the problem is severe or the cause is unclear, it's best to consult a professional landscaping technician who can diagnose the issue and recommend the most effective course of action.